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Mathematics, 17.03.2020 23:25 haleyturkey
A marketing research consultant for a hotel chain hypothesizes that men and women differ in their color preference for guest rooms. The consultant shows pictures of rooms decorated with three different color scheme to each person in a random sample of 110 men and to each person in a random sample of 90 women. The consultant asks each person to choose his or her favorite color scheme. A chi-square test for homogeneity of proportions will be used to test the consultant’s hypothesis. Assuming that the conditions for inference are met, which of the following statements is true for the test? Which of the following procedures is the most appropriate for investigating whether an association exists between gender and the number of friends a person has on a social media Web site?
A matched-pairs t-test for a mean difference
A. A two-sample t-test for the difference between means
B. A t-test for the slope of the regression line
C. A chi-square goodness-of-fit test
D. A chi-square test of independence
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