{"id":2665,"date":"2022-04-04T22:19:46","date_gmt":"2022-04-04T22:19:46","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/wm-concepts-statistics\/?post_type=chapter&p=2665"},"modified":"2022-04-04T22:19:46","modified_gmt":"2022-04-04T22:19:46","slug":"module-11-assignment-test-of-independence-using-technology","status":"web-only","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/wm-concepts-statistics\/chapter\/module-11-assignment-test-of-independence-using-technology\/","title":{"raw":"Module 11 Assignment: Test of Independence Using Technology","rendered":"Module 11 Assignment: Test of Independence Using Technology"},"content":{"raw":"The purpose of this activity is to gain experience conducting a chi-square test of independence using technology.\r\n\r\nRecall the report On the Front Line:\u00a0The Work of First Responders in a Post-9\/11 World<\/em>. We will use data from this report to investigate the question: Are alcohol-related problems among New York firefighters associated with participation in the 9\/11 rescue?\r\n\r\nHere again are our observed data:\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/th>\r\nNo risk for alcohol problems<\/th>\r\nModerate to severe risk for alcohol problems<\/th>\r\n<\/th>\r\n<\/tr>\r\n
Participated in 9\/11 rescue<\/th>\r\n793<\/td>\r\n309<\/td>\r\n1102<\/td>\r\n<\/tr>\r\n
Did not participate in 9\/11 rescue<\/th>\r\n441<\/td>\r\n110<\/td>\r\n551<\/td>\r\n<\/tr>\r\n
<\/th>\r\n1234<\/td>\r\n419<\/td>\r\n1653<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

Question 1:<\/h2>\r\nState the appropriate hypotheses for the chi-square test for independence in this case.\r\n\r\nNow you will check whether the conditions for the chi-square test are met. In order to do this, you\u2019ll need to first launch the actual\u00a0research report<\/a>\u00a0and read the last paragraph on page iii of the introduction (starting with the \u201cThe study was fully funded\u2026\u201d)\r\n

Instructions<\/h2>\r\nClick on the link corresponding to your statistical package to see instructions for completing the activity, and then answer the questions below.\r\n\r\nR\u00a0<\/a>|\u00a0StatCrunch\u00a0<\/a>|\u00a0Minitab\u00a0<\/a>|\u00a0Excel\u00a0<\/a>|\u00a0TI Calculator<\/a>\r\n

Question 2:<\/h2>\r\nDoes the data meet the conditions for the chi-square test?\r\n

Instructions<\/h2>\r\nClick on the link corresponding to your statistical package to see instructions for completing the activity, and then answer the questions below.\r\n\r\nR\u00a0<\/a>|\u00a0StatCrunch\u00a0<\/a>|\u00a0Minitab\u00a0<\/a>|\u00a0Excel\u00a0<\/a>|\u00a0TI Calculator<\/a>\r\n

Question 3:<\/h2>\r\nState your conclusion in context. Also explain what the P-value means as a conditional probability based on the null hypothesis.","rendered":"

The purpose of this activity is to gain experience conducting a chi-square test of independence using technology.<\/p>\n

Recall the report On the Front Line:\u00a0The Work of First Responders in a Post-9\/11 World<\/em>. We will use data from this report to investigate the question: Are alcohol-related problems among New York firefighters associated with participation in the 9\/11 rescue?<\/p>\n

Here again are our observed data:<\/p>\n\n\n\n\n\n\n
<\/th>\nNo risk for alcohol problems<\/th>\nModerate to severe risk for alcohol problems<\/th>\n<\/th>\n<\/tr>\n
Participated in 9\/11 rescue<\/th>\n793<\/td>\n309<\/td>\n1102<\/td>\n<\/tr>\n
Did not participate in 9\/11 rescue<\/th>\n441<\/td>\n110<\/td>\n551<\/td>\n<\/tr>\n
<\/th>\n1234<\/td>\n419<\/td>\n1653<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Question 1:<\/h2>\n

State the appropriate hypotheses for the chi-square test for independence in this case.<\/p>\n

Now you will check whether the conditions for the chi-square test are met. In order to do this, you\u2019ll need to first launch the actual\u00a0research report<\/a>\u00a0and read the last paragraph on page iii of the introduction (starting with the \u201cThe study was fully funded\u2026\u201d)<\/p>\n

Instructions<\/h2>\n

Click on the link corresponding to your statistical package to see instructions for completing the activity, and then answer the questions below.<\/p>\n

R\u00a0<\/a>|\u00a0StatCrunch\u00a0<\/a>|\u00a0Minitab\u00a0<\/a>|\u00a0Excel\u00a0<\/a>|\u00a0TI Calculator<\/a><\/p>\n

Question 2:<\/h2>\n

Does the data meet the conditions for the chi-square test?<\/p>\n

Instructions<\/h2>\n

Click on the link corresponding to your statistical package to see instructions for completing the activity, and then answer the questions below.<\/p>\n

R\u00a0<\/a>|\u00a0StatCrunch\u00a0<\/a>|\u00a0Minitab\u00a0<\/a>|\u00a0Excel\u00a0<\/a>|\u00a0TI Calculator<\/a><\/p>\n

Question 3:<\/h2>\n

State your conclusion in context. Also explain what the P-value means as a conditional probability based on the null hypothesis.<\/p>\n\n\t\t\t

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Candela Citations<\/h3>\n\t\t\t\t\t
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