{"id":1658,"date":"2022-01-19T02:15:44","date_gmt":"2022-01-19T02:15:44","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/?post_type=chapter&#038;p=1658"},"modified":"2022-01-24T22:55:56","modified_gmt":"2022-01-24T22:55:56","slug":"10c","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/chapter\/10c\/","title":{"raw":"10C\/10D","rendered":"10C\/10D"},"content":{"raw":"<div align=\"center\">\r\n\r\n<img class=\"alignnone wp-image-1659\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/19021538\/Picture105-300x200.jpg\" alt=\"A woman working at a computer\" width=\"986\" height=\"657\" \/>\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Fraction<\/td>\r\n<td>Decimal<\/td>\r\n<td>Percentage<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1\/2<\/td>\r\n<td>0.5<\/td>\r\n<td>50%<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1\/3<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td><\/td>\r\n<td><\/td>\r\n<td>25%<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><\/td>\r\n<td>0.2<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1\/8<\/td>\r\n<td><\/td>\r\n<td>12.5%<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><\/td>\r\n<td>0.667<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td><\/td>\r\n<td>0.75<\/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><\/td>\r\n<td>1<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0.1<\/td>\r\n<td>0.9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0.23<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td><\/td>\r\n<td>0.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0.78<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>0.91<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td><\/td>\r\n<td>0.85<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><\/td>\r\n<td>0.48<\/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>Number Surveyed<\/td>\r\n<td>Number of \u201cYes\u201d Responses<\/td>\r\n<td>Fraction<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>100<\/td>\r\n<td>20<\/td>\r\n<td>20\/100<\/td>\r\n<td>0.2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>100<\/td>\r\n<td>40<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>100<\/td>\r\n<td>80<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>50<\/td>\r\n<td>20<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>500<\/td>\r\n<td>20<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1000<\/td>\r\n<td>20<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td><\/td>\r\n<td><\/td>\r\n<td>Appropriate?\r\n\r\n(Yes or no)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>50<\/td>\r\n<td>0.3<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>50<\/td>\r\n<td>0.05<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>15<\/td>\r\n<td>0.45<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>100<\/td>\r\n<td>0.01<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>40<\/td>\r\n<td>0.25<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>80<\/td>\r\n<td>0.25<\/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>Sample Size<\/td>\r\n<td>Mean<\/td>\r\n<td>Minimum<\/td>\r\n<td>Maximum<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>50<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>100<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>500<\/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>Sample Size<\/td>\r\n<td># of Successes<\/td>\r\n<td>Point Estimate<\/td>\r\n<td>Margin of Error<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>100<\/td>\r\n<td>30<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1,000<\/td>\r\n<td>300<\/td>\r\n<td><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>10,000<\/td>\r\n<td>3,000<\/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><\/td>\r\n<td><\/td>\r\n<td>Appropriate?\r\n\r\n(Yes or no)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>50<\/td>\r\n<td>0.1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>100<\/td>\r\n<td>0.1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>45<\/td>\r\n<td>0.5<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>30<\/td>\r\n<td>0.5<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>25<\/td>\r\n<td>0.9<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>120<\/td>\r\n<td>0.9<\/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>Confidence Level<\/td>\r\n<td>Margin of Error<\/td>\r\n<td>Minimum Sample Size<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>95%<\/td>\r\n<td>\u00b12.5%<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>95%<\/td>\r\n<td>\u00b14%<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>95%<\/td>\r\n<td>\u00b16%<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>99%<\/td>\r\n<td>\u00b16%<\/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>Confidence Level<\/td>\r\n<td>Margin of Error<\/td>\r\n<td>Population Proportion<\/td>\r\n<td>Minimum Sample Size<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>95%<\/td>\r\n<td>\u00b12.5%<\/td>\r\n<td>0.1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>95%<\/td>\r\n<td>\u00b14%<\/td>\r\n<td>0.2<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>95%<\/td>\r\n<td>\u00b16%<\/td>\r\n<td>0.3<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>99%<\/td>\r\n<td>\u00b16%<\/td>\r\n<td>0.3<\/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>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>Understand how sample size affects margin of error.<\/td>\r\n<td>1\u20134<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Determine the sample size needed to achieve a given margin of error when working with proportions.<\/td>\r\n<td>5\u20137<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Bring the \u201cLooking Ahead\u201d information to class.<\/td>\r\n<td>8, 9<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<img class=\"alignnone wp-image-1664\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/19021846\/Picture1061-300x200.jpg\" alt=\"A person in front of a podium that reads &quot;Vote&quot; in front of an American flag. There are several other American flags in the room.\" width=\"1074\" height=\"716\" \/> <img class=\"alignnone wp-image-1665\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/19021851\/Picture1071-265x300.png\" alt=\"A screenshot with two headings at the top. \u201cCompare Two Population Proportions\u201d is selected and \u201cConfidence\u201d is unselected. There is a dropdown labeled \u201cEnter Date\u201d and \u201cNumber of Success\u201d has been selected. The next heading reads \u201cGroup 1\u201d and beneath it are two input text boxes. The first one is labeled \u201cSample Size\u201d and it reads 3746. The second one is labeled \u201c# of Successes\u201d and it reads 309. The next heading says \u201cGroup 2\u201d and there are two input text boxes beneath it too. The first one is labeled \u201cSample Size\u201d and the second one is labeled \u201c# of Successes.\u201d Both of them are empty. Beneath them, there is a selected checkbox that reads \u201cProvide Group Labels.\u201d Beneath this, there is an input text box labeled \u201cGroup 1,\u201d under which it reads \u201cPerceived Female.\u201d Beside it is another input text box titled \u201cGroup 2.\u201d Beneath it, the input reads \u201cPerceived Male.\u201d\" width=\"830\" height=\"936\" \/>\r\n<div align=\"center\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>party_id<\/td>\r\n<td>major_party<\/td>\r\n<td>regular_voter<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Democrat<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Other<\/td>\r\n<td>No<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Democrat<\/td>\r\n<td>Yes<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Democrat<\/td>\r\n<td>Yes<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Republican<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Other<\/td>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Republican<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Democrat<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Republican<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Other<\/td>\r\n<td>No<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Republican<\/td>\r\n<td>Yes<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Democrat<\/td>\r\n<td>Yes<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Republican<\/td>\r\n<td>Yes<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Other<\/td>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Republican<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/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>instagram<\/td>\r\n<td>is_liberal<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>Yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>No<\/td>\r\n<td>No<\/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>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>Identify the sample and population.<\/td>\r\n<td>1, Parts A and B<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Calculate sample proportions and their differences.<\/td>\r\n<td>1, Parts C and D\r\n\r\n3<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Identify independent vs. dependent samples.<\/td>\r\n<td>3, 4<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Use technology to calculate the confidence interval for the difference in two proportions from independent samples.<\/td>\r\n<td>5<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Interpret the confidence interval in the context of the data.<\/td>\r\n<td>6<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","rendered":"<div style=\"margin: auto;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1659\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/19021538\/Picture105-300x200.jpg\" alt=\"A woman working at a computer\" width=\"986\" height=\"657\" \/><\/p>\n<table>\n<tbody>\n<tr>\n<td>Fraction<\/td>\n<td>Decimal<\/td>\n<td>Percentage<\/td>\n<\/tr>\n<tr>\n<td>1\/2<\/td>\n<td>0.5<\/td>\n<td>50%<\/td>\n<\/tr>\n<tr>\n<td>1\/3<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td>25%<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>0.2<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1\/8<\/td>\n<td><\/td>\n<td>12.5%<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>0.667<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>0.75<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td><\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>0.1<\/td>\n<td>0.9<\/td>\n<\/tr>\n<tr>\n<td>0.23<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>0.5<\/td>\n<\/tr>\n<tr>\n<td>0.78<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>0.91<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>0.85<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>0.48<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>Number Surveyed<\/td>\n<td>Number of \u201cYes\u201d Responses<\/td>\n<td>Fraction<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>20<\/td>\n<td>20\/100<\/td>\n<td>0.2<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>40<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>80<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>20<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>500<\/td>\n<td>20<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1000<\/td>\n<td>20<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td><\/td>\n<td><\/td>\n<td>Appropriate?<\/p>\n<p>(Yes or no)<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>0.3<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>0.05<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>0.45<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>0.01<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>40<\/td>\n<td>0.25<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>0.25<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>Sample Size<\/td>\n<td>Mean<\/td>\n<td>Minimum<\/td>\n<td>Maximum<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>500<\/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>Sample Size<\/td>\n<td># of Successes<\/td>\n<td>Point Estimate<\/td>\n<td>Margin of Error<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>30<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>1,000<\/td>\n<td>300<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>10,000<\/td>\n<td>3,000<\/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><\/td>\n<td><\/td>\n<td>Appropriate?<\/p>\n<p>(Yes or no)<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>0.1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>0.1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>45<\/td>\n<td>0.5<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>30<\/td>\n<td>0.5<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>0.9<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>120<\/td>\n<td>0.9<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>Confidence Level<\/td>\n<td>Margin of Error<\/td>\n<td>Minimum Sample Size<\/td>\n<\/tr>\n<tr>\n<td>95%<\/td>\n<td>\u00b12.5%<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>95%<\/td>\n<td>\u00b14%<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>95%<\/td>\n<td>\u00b16%<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>99%<\/td>\n<td>\u00b16%<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>Confidence Level<\/td>\n<td>Margin of Error<\/td>\n<td>Population Proportion<\/td>\n<td>Minimum Sample Size<\/td>\n<\/tr>\n<tr>\n<td>95%<\/td>\n<td>\u00b12.5%<\/td>\n<td>0.1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>95%<\/td>\n<td>\u00b14%<\/td>\n<td>0.2<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>95%<\/td>\n<td>\u00b16%<\/td>\n<td>0.3<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>99%<\/td>\n<td>\u00b16%<\/td>\n<td>0.3<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<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>Understand how sample size affects margin of error.<\/td>\n<td>1\u20134<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Determine the sample size needed to achieve a given margin of error when working with proportions.<\/td>\n<td>5\u20137<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Bring the \u201cLooking Ahead\u201d information to class.<\/td>\n<td>8, 9<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1664\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/19021846\/Picture1061-300x200.jpg\" alt=\"A person in front of a podium that reads &quot;Vote&quot; in front of an American flag. There are several other American flags in the room.\" width=\"1074\" height=\"716\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1665\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/5738\/2022\/01\/19021851\/Picture1071-265x300.png\" alt=\"A screenshot with two headings at the top. \u201cCompare Two Population Proportions\u201d is selected and \u201cConfidence\u201d is unselected. There is a dropdown labeled \u201cEnter Date\u201d and \u201cNumber of Success\u201d has been selected. The next heading reads \u201cGroup 1\u201d and beneath it are two input text boxes. The first one is labeled \u201cSample Size\u201d and it reads 3746. The second one is labeled \u201c# of Successes\u201d and it reads 309. The next heading says \u201cGroup 2\u201d and there are two input text boxes beneath it too. The first one is labeled \u201cSample Size\u201d and the second one is labeled \u201c# of Successes.\u201d Both of them are empty. Beneath them, there is a selected checkbox that reads \u201cProvide Group Labels.\u201d Beneath this, there is an input text box labeled \u201cGroup 1,\u201d under which it reads \u201cPerceived Female.\u201d Beside it is another input text box titled \u201cGroup 2.\u201d Beneath it, the input reads \u201cPerceived Male.\u201d\" width=\"830\" height=\"936\" \/><\/p>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>party_id<\/td>\n<td>major_party<\/td>\n<td>regular_voter<\/td>\n<\/tr>\n<tr>\n<td>Democrat<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Other<\/td>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Democrat<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Democrat<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Republican<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Other<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Republican<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Democrat<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Republican<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Other<\/td>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Republican<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Democrat<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Republican<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Other<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Republican<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"margin: auto;\">\n<table>\n<tbody>\n<tr>\n<td>instagram<\/td>\n<td>is_liberal<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<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>Identify the sample and population.<\/td>\n<td>1, Parts A and B<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Calculate sample proportions and their differences.<\/td>\n<td>1, Parts C and D<\/p>\n<p>3<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Identify independent vs. dependent samples.<\/td>\n<td>3, 4<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Use technology to calculate the confidence interval for the difference in two proportions from independent samples.<\/td>\n<td>5<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Interpret the confidence interval in the context of the data.<\/td>\n<td>6<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"author":23592,"menu_order":37,"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-1658","chapter","type-chapter","status-publish","hentry"],"part":704,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/1658","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":6,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/1658\/revisions"}],"predecessor-version":[{"id":1808,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/1658\/revisions\/1808"}],"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\/1658\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/media?parent=1658"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapter-type?post=1658"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/contributor?post=1658"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/license?post=1658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}