{"id":510,"date":"2022-07-11T19:47:15","date_gmt":"2022-07-11T19:47:15","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/alphamodule\/?post_type=chapter&p=510"},"modified":"2022-07-11T19:47:16","modified_gmt":"2022-07-11T19:47:16","slug":"z-score-and-the-empirical-rule-learn-it-2","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/alphamodule\/chapter\/z-score-and-the-empirical-rule-learn-it-2\/","title":{"raw":"Z-Score and the Empirical Rule: Learn It 2","rendered":"Z-Score and the Empirical Rule: Learn It 2"},"content":{"raw":"Now it's your turn to try. Let's load the Movie Runtime data set in the technology to calculate the standard deviation of a data set and then convert values to standardized scores by hand.\r\n
\r\n\r\nGo to the Describing and Exploring Quantitative Variables tool at https:\/\/dcmathpathways.shinyapps.io\/EDA_quantitative\/<\/a>.\r\n

Step 1) Select the Single Group<\/strong> tab.<\/p>\r\n

Step 2) Locate the dropdown under Enter Data<\/strong> and select From Textbook<\/strong>.<\/p>\r\n

Step 3) Locate the drop-down menu under Data Set<\/strong> and select Movie Runtime (G Rated 1990-2016)<\/strong>.<\/p>\r\n

Step 4) Under Choose Type of Plot<\/strong>, select the options to create a Histogram<\/strong> and a Dotplot<\/strong> of runtime (in minutes).<\/p>\r\n\r\n<\/div>\r\n

\r\n

question 1<\/h3>\r\n[ohm_question hide_question_numbers=1]241207[\/ohm_question]\r\n\r\n[reveal-answer q=\"279127\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"279127\"]Recall the characteristics used to describe the shape of a distribution.[\/hidden-answer]\r\n\r\n<\/div>\r\n
\r\n

question 2<\/h3>\r\n[ohm_question hide_question_numbers=1]241208[\/ohm_question]\r\n\r\n[reveal-answer q=\"256092\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"256092\"]Look under Descriptive Statistics in the tool[\/hidden-answer]\r\n\r\n<\/div>\r\n
\r\n

question 3<\/h3>\r\n[ohm_question hide_question_numbers=1]241209[\/ohm_question]\r\n\r\n[reveal-answer q=\"733914\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"733914\"]Look under Descriptive Statistics in the tool[\/hidden-answer]\r\n\r\n<\/div>\r\nUse the mean and the standard deviation you entered in Questions 2 and 3 to answer the following questions.\r\n
\r\n

question 4<\/h3>\r\n[ohm_question hide_question_numbers=1]241210[\/ohm_question]\r\n[reveal-answer q=\"577093\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"577093\"]Use the process in the interactive example above to calculate these values.[\/hidden-answer]\r\n\r\n<\/div>\r\n
\r\n

question 5<\/h3>\r\n[ohm_question hide_question_numbers=1]241211[\/ohm_question]\r\n\r\n[reveal-answer q=\"147907\"]Hint[\/reveal-answer]\r\n[hidden-answer a=\"147907\"]Use the process in the interactive example above to calculate these values.[\/hidden-answer]\r\n\r\n<\/div>","rendered":"

Now it’s your turn to try. Let’s load the Movie Runtime data set in the technology to calculate the standard deviation of a data set and then convert values to standardized scores by hand.<\/p>\n

\n

Go to the Describing and Exploring Quantitative Variables tool at https:\/\/dcmathpathways.shinyapps.io\/EDA_quantitative\/<\/a>.<\/p>\n

Step 1) Select the Single Group<\/strong> tab.<\/p>\n

Step 2) Locate the dropdown under Enter Data<\/strong> and select From Textbook<\/strong>.<\/p>\n

Step 3) Locate the drop-down menu under Data Set<\/strong> and select Movie Runtime (G Rated 1990-2016)<\/strong>.<\/p>\n

Step 4) Under Choose Type of Plot<\/strong>, select the options to create a Histogram<\/strong> and a Dotplot<\/strong> of runtime (in minutes).<\/p>\n<\/div>\n

\n

question 1<\/h3>\n