(among data miners) that there is a correlation between men buying diapers and buying beer while shopping. A student tests this theory by surveying 131 male shoppers as they left a grocery store. The results are summarized in the contingency table. Test for a dependent relationship between buying beer and buying diapers. Conduct this test at the 0.01 significance level. Bought Diapers Did Not Buy Diapers Totals Beer 8 49 57 No Beer 10 64 74 Totals 18 113
(among data miners) that there is a correlation between men buying diapers and buying beer while shopping. A student tests this theory by surveying 131 male shoppers as they left a grocery store. The results are summarized in the contingency table. Test for a dependent relationship between buying beer and buying diapers. Conduct this test at the 0.01 significance level. Bought Diapers Did Not Buy Diapers Totals Beer 8 49 57 No Beer 10 64 74 Totals 18 113
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Question
There is a popular story (among data miners) that there is a
Bought Diapers | Did Not Buy Diapers | Totals | |
Beer | 8 | 49 | 57 |
No Beer | 10 | 64 | 74 |
Totals | 18 | 113 | 131 |
(a) Find the expected frequencies.
Bought Diapers | Did Not Buy Diapers | |
Beer | ||
No Beer |
(b) Find the test statistic.
(c) Find the critical value.
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