{"id":2149,"date":"2022-01-27T01:29:25","date_gmt":"2022-01-27T01:29:25","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/?post_type=chapter&#038;p=2149"},"modified":"2022-02-10T00:03:28","modified_gmt":"2022-02-10T00:03:28","slug":"16c-d","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/chapter\/16c-d\/","title":{"raw":"16C\/D","rendered":"16C\/D"},"content":{"raw":"<div align=\"center\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Skill or Concept: I can . . .<\/td>\r\n<td>Questions to check your understanding<\/td>\r\n<td>Rating\r\nfrom 1 to 5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Use technology to calculate a regression equation.<\/td>\r\n<td>1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Calculate predictions from the regression line.<\/td>\r\n<td>2<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Use technology to calculate confidence intervals for the mean response and prediction intervals for individuals.<\/td>\r\n<td>3<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Identify the appropriate type of interval based on a given situation.<\/td>\r\n<td>4<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Compare confidence and prediction intervals.<\/td>\r\n<td>5<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<img class=\"alignnone wp-image-2151\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27010004\/Picture961-300x201.jpg\" alt=\"Someone riding a bike on a road in the countryside\" width=\"1245\" height=\"834\" \/>\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td><strong>Exponent<\/strong><\/td>\r\n<td><strong>Exponential expression<\/strong><\/td>\r\n<td><strong>Equivalent expression using multiplication and division<\/strong><\/td>\r\n<td><strong>Evaluated expression<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td><\/td>\r\n<td>2 \u00a02 \u00a02 2<\/td>\r\n<td>16<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div align=\"center\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td><strong>Original number<\/strong><\/td>\r\n<td>1293<\/td>\r\n<td>5<\/td>\r\n<td>0<\/td>\r\n<td>0.4<\/td>\r\n<td>1<\/td>\r\n<td>4.76<\/td>\r\n<td>33<\/td>\r\n<td>492.1<\/td>\r\n<td>2084<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Number squared<\/strong><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div align=\"center\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td><strong>Original number<\/strong><\/td>\r\n<td><strong>Positive square root of number<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1293<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0.4<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4.76<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>33<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>492.1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2084<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div align=\"center\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Original number<\/td>\r\n<td>Base 10 logarithm<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1293<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0.4<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4.76<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>33<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>492.1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2084<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div style=\"text-align: left;\" align=\"center\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Skill or Concept: I can . . .<\/td>\r\n<td>Questions to check your understanding<\/td>\r\n<td>Rating\r\nfrom 1 to 5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Evaluate mathematical expressions by squaring numbers, taking the square roots of numbers, and taking the logarithms of numbers.<\/td>\r\n<td>1, 6, 11<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Describe trends in what happens to numbers when you square them, take their square roots, and take their logarithms.<\/td>\r\n<td>2\u20135, 7\u201310,\r\n\r\n12\u201315<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n[caption id=\"attachment_2153\" align=\"alignnone\" width=\"831\"]<img class=\"wp-image-2153\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012319\/Picture981-300x48.png\" alt=\"A dot plot labeled \u201cIncome per Person (in 2011, international dollars),\u201d with the x-axis labeled in increments of 10000. The graph is significantly skewed to the left. Albania is marked at approximately 12000, the USA is marked at approximately 56000, Singapore is marked at approximately 91000, and Qatar is marked at approximately 113000.\" width=\"831\" height=\"133\" \/> the labels have not transferred with the image[\/caption]\r\n\r\n<img class=\"alignnone wp-image-2152\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012312\/Picture97-300x160.jpg\" alt=\"Figurines of golfers on tall stacks of coins next to shorter stacks of coins with figurines of construction workers on them.\" width=\"926\" height=\"494\" \/> <img class=\"alignnone wp-image-2154\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012327\/Picture991-300x113.png\" alt=\"A scatterplot titled \u201cLife Expectancy &amp; Nations\u2019 Incomes.\u201d It is labeled \u201cIncome Per Person (international, 2011 dollars)\u201d on the x-axis and \u201cLife Expectancy\u201d on the y-axis. There is a line whose slope is given as \u201cRegression Line: y =68.5 + 0.000245x.\u201d\" width=\"1041\" height=\"392\" \/> <img class=\"alignnone wp-image-2155\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012336\/Picture1002-300x94.png\" alt=\"A residual plot labeled \u201cIncome Per Person (international, 2011 dollars)\u201d on the x-axis and \u201cResidual\u201d on the y-axis. There is a horizontal line at y = 0. There are more points for lower x-values and both lower x-values and higher x-values are more likely to be below the horizontal line.\" width=\"941\" height=\"295\" \/> <img class=\"alignnone wp-image-2156\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012343\/Picture1014-300x52.png\" alt=\"A dot plot titled \u201cSquare Root of Incomes per Person.\u201d There are more dots on the left than on the right, although it is less skewed than the data was in the previous dot pot.\" width=\"969\" height=\"168\" \/> <img class=\"alignnone wp-image-2157\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012347\/Picture1022-300x37.png\" alt=\"A dot plot titled \u201cLog base ten of Nations\u2019 Incomes.\u201d The dots are spread relatively evenly across the dot plot.\" width=\"876\" height=\"108\" \/> <img class=\"alignnone wp-image-2158\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012353\/Picture1032-300x110.png\" alt=\"A scatterplot titled \u201cLife Expectancy &amp; Nations\u2019 Incomes.\u201d It is labeled \u201cBase-10 Logarithm of Income Per Person\u201c on the x-axis and \u201cLife Expectancy\u201d on the y-axis. There is a line whose slope is given as \u201cRegression Line: y = 27.7 + 11.3x.\u201d\" width=\"1012\" height=\"371\" \/> <img class=\"alignnone wp-image-2159\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012403\/Picture1042-300x92.png\" alt=\"A residual plot labeled \u201cBase-10 Logarithm of Income Per Person\u201d on the x-axis and \u201cResidual\u201d on the y-axis. There is a horizontal line at y = 0. There does not appear to be a pattern to the points.\" width=\"871\" height=\"267\" \/> <img class=\"alignnone wp-image-2160\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012408\/Picture1051-300x66.png\" alt=\"A histogram labeled \u201cHigh School GPAs of 1000 Students\u201d on the x-axis and \u201cCount\u201d on the y-axis. For 1.8-2, the count is approximately 5. For 2-2.2, the count is approximately 25. For 2.2-2.4, the count is approximately 45. For 2.4-2.6, the count is approximately 75. For 2.6-2.8, the count is approximately 100. For 2.8-3, the count is approximately 90. For 3-3.2, the count is approximately 135. For 3.2-3.4, the count is approximately 115. For 3.4-3.6, the count is approximately 130. For 3.6-3.8, the count is approximately 110. For 3.8-4, the count is approximately 55. For 4-4.2, the count is approximately 120. For 4.4-4.6, the count is approximately 5.\" width=\"1114\" height=\"245\" \/> <img class=\"alignnone wp-image-2161\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012412\/Picture1061-300x67.png\" alt=\"A histogram labeled \u201cSquared High School GPAs of 1000 Students\u201d on the x-axis and \u201cCount\u201d on the y-axis. For 2-4, the count is approximately 5. For 4-6, the count is approximately 80. For 6-8, the count is approximately 220. For 8-10, the count is approximately 170. For 10-12, the count is approximately 150. For 12-14, the count is approximately 160. For 14-16, the count is approximately 100. For 16-18, the count is approximately 120. For 20-22, the count is approximately 5.\" width=\"940\" height=\"210\" \/> <img class=\"alignnone wp-image-2162\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012416\/Picture1072-300x68.png\" alt=\"A histogram labeled \u201cCubed High School GPAs of 1000 Students\u201d on the x-axis and \u201cCount\u201d on the y-axis. For 0-9, the count is approximately 20. For 9-18, the count is approximately 150. For 18-27, the count is approximately 170. For 27-36, the count is approximately 250. For 36-45, the count is approximately 140. For 45-54, the count is approximately 120. For 54-63, the count is approximately 60. For 63-72, the count is approximately 125. For 90-99, the count is approximately 5.\" width=\"944\" height=\"214\" \/> <img class=\"alignnone wp-image-2163\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012421\/Picture1082-300x61.png\" alt=\"A dotplot labeled \u201cPercent of Seats Held by Women in Legislature\u201d and numbered from 0 to 60. There are more points on the left side than the right. Japan is labeled at approximately 10, USA is labeled at approximately 19, Germany is labeled at approximately 31, Mexico is labeled at approximately 48, and Rwanda is labeled at approximately 62.\" width=\"866\" height=\"176\" \/> <img class=\"alignnone wp-image-2164\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012426\/Picture1091-300x45.png\" alt=\"A dotplot labeled \u201cPercent of Seats Held by Women in Legislature\u201d and numbered from 0 to 7. There are slightly more points on the left side.\" width=\"973\" height=\"146\" \/> <img class=\"alignnone wp-image-2165\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012430\/Picture1101-300x113.png\" alt=\"The desmos graphing calculator interface. In the first equation space, &quot;y = x&quot; has been written. In the second, &quot;y = x squared&quot; has been written. The first equation has a red curve symbol next to it and the second has a blue curve symbol next to it.\" width=\"940\" height=\"354\" \/> <img class=\"alignnone wp-image-2166\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012435\/Picture1112-300x119.png\" alt=\"The desmos graphing calculator interface. In the first equation space, &quot;y = x&quot; has been written. In the second, &quot;y = the square root of x&quot; has been written. The first equation has a red curve symbol next to it and the second has a blue curve symbol next to it.\" width=\"1122\" height=\"445\" \/> <img class=\"alignnone wp-image-2167\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012438\/Picture112-300x89.png\" alt=\"The desmos graphing calculator interface. In the first equation space, &quot;y = x&quot; has been written. In the second, &quot;y = log of x&quot; has been written. The first equation has a red curve symbol next to it and the second has a blue curve symbol next to it.\" width=\"940\" height=\"279\" \/>\r\n\r\nGlossary 16C\r\n<dl id=\"fs-id1170572229168\" class=\"definition\">\r\n \t<dt>confidence interval for the mean response<\/dt>\r\n \t<dd id=\"fs-id1170572229174\">a range of plausible values the mean value of the response variable takes when \ud835\udc65 = \ud835\udc650.<\/dd>\r\n<\/dl>\r\n<dl id=\"fs-id1170572229190\" class=\"definition\">\r\n \t<dt>\ud835\udc6a% prediction interval for an individual response<\/dt>\r\n \t<dd id=\"fs-id1170572229195\">a range of plausible values of the response when an individual observation has a value of the explanatory variable equal to \ud835\udc650.<\/dd>\r\n<\/dl>\r\nGlossary 16D\r\n<dl id=\"fs-id1170572482619\" class=\"definition\">\r\n \t<dt>base<\/dt>\r\n \t<dd id=\"fs-id1170572482624\">the number that is multiplied in an exponent.<\/dd>\r\n<\/dl>\r\n<dl id=\"fs-id1170572482683\" class=\"definition\">\r\n \t<dt>exponent<\/dt>\r\n \t<dd id=\"fs-id1170572482689\">the number of times to multiply the base by itself.<\/dd>\r\n<\/dl>\r\n<dl id=\"fs-id1170572482683\" class=\"definition\">\r\n \t<dt>squaring<\/dt>\r\n \t<dd id=\"fs-id1170572482689\">multiplying a number by itself once.<\/dd>\r\n<\/dl>\r\n<dl id=\"fs-id1170572482683\" class=\"definition\">\r\n \t<dt>cubing<\/dt>\r\n \t<dd id=\"fs-id1170572482689\">multiplying a number by itself twice.<\/dd>\r\n<\/dl>\r\n<dl id=\"fs-id1170572482683\" class=\"definition\">\r\n \t<dt>unit fraction<\/dt>\r\n \t<dd id=\"fs-id1170572482689\">a fraction whose numerator is 1 and whose denominator is a positive integer.<\/dd>\r\n<\/dl>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","rendered":"<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>Skill or Concept: I can . . .<\/td>\n<td>Questions to check your understanding<\/td>\n<td>Rating<br \/>\nfrom 1 to 5<\/td>\n<\/tr>\n<tr>\n<td>Use technology to calculate a regression equation.<\/td>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Calculate predictions from the regression line.<\/td>\n<td>2<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Use technology to calculate confidence intervals for the mean response and prediction intervals for individuals.<\/td>\n<td>3<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Identify the appropriate type of interval based on a given situation.<\/td>\n<td>4<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Compare confidence and prediction intervals.<\/td>\n<td>5<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2151\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27010004\/Picture961-300x201.jpg\" alt=\"Someone riding a bike on a road in the countryside\" width=\"1245\" height=\"834\" \/><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>Exponent<\/strong><\/td>\n<td><strong>Exponential expression<\/strong><\/td>\n<td><strong>Equivalent expression using multiplication and division<\/strong><\/td>\n<td><strong>Evaluated expression<\/strong><\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td><\/td>\n<td>2 \u00a02 \u00a02 2<\/td>\n<td>16<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>0<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td><strong>Original number<\/strong><\/td>\n<td>1293<\/td>\n<td>5<\/td>\n<td>0<\/td>\n<td>0.4<\/td>\n<td>1<\/td>\n<td>4.76<\/td>\n<td>33<\/td>\n<td>492.1<\/td>\n<td>2084<\/td>\n<\/tr>\n<tr>\n<td><strong>Number squared<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td><strong>Original number<\/strong><\/td>\n<td><strong>Positive square root of number<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1293<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>0<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>0.4<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>4.76<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>33<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>492.1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>2084<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>Original number<\/td>\n<td>Base 10 logarithm<\/td>\n<\/tr>\n<tr>\n<td>1293<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>0<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>0.4<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>4.76<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>33<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>492.1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>2084<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"text-align: left; margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>Skill or Concept: I can . . .<\/td>\n<td>Questions to check your understanding<\/td>\n<td>Rating<br \/>\nfrom 1 to 5<\/td>\n<\/tr>\n<tr>\n<td>Evaluate mathematical expressions by squaring numbers, taking the square roots of numbers, and taking the logarithms of numbers.<\/td>\n<td>1, 6, 11<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Describe trends in what happens to numbers when you square them, take their square roots, and take their logarithms.<\/td>\n<td>2\u20135, 7\u201310,<\/p>\n<p>12\u201315<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"attachment_2153\" style=\"width: 841px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2153\" class=\"wp-image-2153\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012319\/Picture981-300x48.png\" alt=\"A dot plot labeled \u201cIncome per Person (in 2011, international dollars),\u201d with the x-axis labeled in increments of 10000. The graph is significantly skewed to the left. Albania is marked at approximately 12000, the USA is marked at approximately 56000, Singapore is marked at approximately 91000, and Qatar is marked at approximately 113000.\" width=\"831\" height=\"133\" \/><\/p>\n<p id=\"caption-attachment-2153\" class=\"wp-caption-text\">the labels have not transferred with the image<\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2152\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012312\/Picture97-300x160.jpg\" alt=\"Figurines of golfers on tall stacks of coins next to shorter stacks of coins with figurines of construction workers on them.\" width=\"926\" height=\"494\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2154\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012327\/Picture991-300x113.png\" alt=\"A scatterplot titled \u201cLife Expectancy &amp; Nations\u2019 Incomes.\u201d It is labeled \u201cIncome Per Person (international, 2011 dollars)\u201d on the x-axis and \u201cLife Expectancy\u201d on the y-axis. There is a line whose slope is given as \u201cRegression Line: y =68.5 + 0.000245x.\u201d\" width=\"1041\" height=\"392\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2155\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012336\/Picture1002-300x94.png\" alt=\"A residual plot labeled \u201cIncome Per Person (international, 2011 dollars)\u201d on the x-axis and \u201cResidual\u201d on the y-axis. There is a horizontal line at y = 0. There are more points for lower x-values and both lower x-values and higher x-values are more likely to be below the horizontal line.\" width=\"941\" height=\"295\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2156\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012343\/Picture1014-300x52.png\" alt=\"A dot plot titled \u201cSquare Root of Incomes per Person.\u201d There are more dots on the left than on the right, although it is less skewed than the data was in the previous dot pot.\" width=\"969\" height=\"168\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2157\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012347\/Picture1022-300x37.png\" alt=\"A dot plot titled \u201cLog base ten of Nations\u2019 Incomes.\u201d The dots are spread relatively evenly across the dot plot.\" width=\"876\" height=\"108\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2158\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012353\/Picture1032-300x110.png\" alt=\"A scatterplot titled \u201cLife Expectancy &amp; Nations\u2019 Incomes.\u201d It is labeled \u201cBase-10 Logarithm of Income Per Person\u201c on the x-axis and \u201cLife Expectancy\u201d on the y-axis. There is a line whose slope is given as \u201cRegression Line: y = 27.7 + 11.3x.\u201d\" width=\"1012\" height=\"371\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2159\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012403\/Picture1042-300x92.png\" alt=\"A residual plot labeled \u201cBase-10 Logarithm of Income Per Person\u201d on the x-axis and \u201cResidual\u201d on the y-axis. There is a horizontal line at y = 0. There does not appear to be a pattern to the points.\" width=\"871\" height=\"267\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2160\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012408\/Picture1051-300x66.png\" alt=\"A histogram labeled \u201cHigh School GPAs of 1000 Students\u201d on the x-axis and \u201cCount\u201d on the y-axis. For 1.8-2, the count is approximately 5. For 2-2.2, the count is approximately 25. For 2.2-2.4, the count is approximately 45. For 2.4-2.6, the count is approximately 75. For 2.6-2.8, the count is approximately 100. For 2.8-3, the count is approximately 90. For 3-3.2, the count is approximately 135. For 3.2-3.4, the count is approximately 115. For 3.4-3.6, the count is approximately 130. For 3.6-3.8, the count is approximately 110. For 3.8-4, the count is approximately 55. For 4-4.2, the count is approximately 120. For 4.4-4.6, the count is approximately 5.\" width=\"1114\" height=\"245\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2161\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012412\/Picture1061-300x67.png\" alt=\"A histogram labeled \u201cSquared High School GPAs of 1000 Students\u201d on the x-axis and \u201cCount\u201d on the y-axis. For 2-4, the count is approximately 5. For 4-6, the count is approximately 80. For 6-8, the count is approximately 220. For 8-10, the count is approximately 170. For 10-12, the count is approximately 150. For 12-14, the count is approximately 160. For 14-16, the count is approximately 100. For 16-18, the count is approximately 120. For 20-22, the count is approximately 5.\" width=\"940\" height=\"210\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2162\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012416\/Picture1072-300x68.png\" alt=\"A histogram labeled \u201cCubed High School GPAs of 1000 Students\u201d on the x-axis and \u201cCount\u201d on the y-axis. For 0-9, the count is approximately 20. For 9-18, the count is approximately 150. For 18-27, the count is approximately 170. For 27-36, the count is approximately 250. For 36-45, the count is approximately 140. For 45-54, the count is approximately 120. For 54-63, the count is approximately 60. For 63-72, the count is approximately 125. For 90-99, the count is approximately 5.\" width=\"944\" height=\"214\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2163\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012421\/Picture1082-300x61.png\" alt=\"A dotplot labeled \u201cPercent of Seats Held by Women in Legislature\u201d and numbered from 0 to 60. There are more points on the left side than the right. Japan is labeled at approximately 10, USA is labeled at approximately 19, Germany is labeled at approximately 31, Mexico is labeled at approximately 48, and Rwanda is labeled at approximately 62.\" width=\"866\" height=\"176\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2164\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012426\/Picture1091-300x45.png\" alt=\"A dotplot labeled \u201cPercent of Seats Held by Women in Legislature\u201d and numbered from 0 to 7. There are slightly more points on the left side.\" width=\"973\" height=\"146\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2165\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012430\/Picture1101-300x113.png\" alt=\"The desmos graphing calculator interface. In the first equation space, &quot;y = x&quot; has been written. In the second, &quot;y = x squared&quot; has been written. The first equation has a red curve symbol next to it and the second has a blue curve symbol next to it.\" width=\"940\" height=\"354\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2166\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012435\/Picture1112-300x119.png\" alt=\"The desmos graphing calculator interface. In the first equation space, &quot;y = x&quot; has been written. In the second, &quot;y = the square root of x&quot; has been written. The first equation has a red curve symbol next to it and the second has a blue curve symbol next to it.\" width=\"1122\" height=\"445\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2167\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/27012438\/Picture112-300x89.png\" alt=\"The desmos graphing calculator interface. In the first equation space, &quot;y = x&quot; has been written. In the second, &quot;y = log of x&quot; has been written. The first equation has a red curve symbol next to it and the second has a blue curve symbol next to it.\" width=\"940\" height=\"279\" \/><\/p>\n<p>Glossary 16C<\/p>\n<dl id=\"fs-id1170572229168\" class=\"definition\">\n<dt>confidence interval for the mean response<\/dt>\n<dd id=\"fs-id1170572229174\">a range of plausible values the mean value of the response variable takes when \ud835\udc65 = \ud835\udc650.<\/dd>\n<\/dl>\n<dl id=\"fs-id1170572229190\" class=\"definition\">\n<dt>\ud835\udc6a% prediction interval for an individual response<\/dt>\n<dd id=\"fs-id1170572229195\">a range of plausible values of the response when an individual observation has a value of the explanatory variable equal to \ud835\udc650.<\/dd>\n<\/dl>\n<p>Glossary 16D<\/p>\n<dl id=\"fs-id1170572482619\" class=\"definition\">\n<dt>base<\/dt>\n<dd id=\"fs-id1170572482624\">the number that is multiplied in an exponent.<\/dd>\n<\/dl>\n<dl id=\"fs-id1170572482683\" class=\"definition\">\n<dt>exponent<\/dt>\n<dd id=\"fs-id1170572482689\">the number of times to multiply the base by itself.<\/dd>\n<\/dl>\n<dl id=\"fs-id1170572482683\" class=\"definition\">\n<dt>squaring<\/dt>\n<dd id=\"fs-id1170572482689\">multiplying a number by itself once.<\/dd>\n<\/dl>\n<dl id=\"fs-id1170572482683\" class=\"definition\">\n<dt>cubing<\/dt>\n<dd id=\"fs-id1170572482689\">multiplying a number by itself twice.<\/dd>\n<\/dl>\n<dl id=\"fs-id1170572482683\" class=\"definition\">\n<dt>unit fraction<\/dt>\n<dd id=\"fs-id1170572482689\">a fraction whose numerator is 1 and whose denominator is a positive integer.<\/dd>\n<\/dl>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"author":23592,"menu_order":57,"template":"","meta":{"_candela_citation":"[]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-2149","chapter","type-chapter","status-publish","hentry"],"part":704,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/users\/23592"}],"version-history":[{"count":5,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2149\/revisions"}],"predecessor-version":[{"id":2666,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2149\/revisions\/2666"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/parts\/704"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2149\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/media?parent=2149"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapter-type?post=2149"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/contributor?post=2149"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/license?post=2149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}