Question: 13.15 Sample data have been collected, and the null hypothesis to be tested is H0: The sample was drawn from a normal population in which

13.15 Sample data have been collected, and the null hypothesis to be tested is H0: “The sample was drawn from a normal population in which 5 130.” If the analysis is based on a categorization that includes 8 cells:

a. How many degrees of freedom will be associated with the test?

b. For a test at the 0.05 level, what is the critical value of chi-square?

c. If the calculated value of the chi-square statistic is 11.25, what conclusion would be reached regarding the null hypothesis?

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