The data below are from a study that was conducted among 117 residents in a geri

Question

The data below are from a study that was conducted among 117 residents in a geriatric care center. The researchers want to determine if there is an association between gender and gallstone disease. below is some computer output from an analysis of these data: a) What are the assumptions of this chi-square test? Are they satisfied for these data? Explain. c) Report the results of the chi-square test for H_0: There is no association between gender and gallstone disease H_A: Gender and gallstone disease are associated Include the value of the chi-square test statistic, the P-value and your decision to reject or not reject H_0. d) Write your conclusion about the relationship between gender and gallstone disease. If you decided to reject H_0, be sure to include a description of the relationship. Support your answer.

Explanation / Answer

a) the assumption of the chi square test is that the parent population is symmetrical

c) Chi square test statistic = 2.129,

p value = 0.1445, > 0.05 or 5%

Not reject H0

d) we conclude that there is no association between gender and gallistone dicease at 5% level

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