Question: 9. M&Ms Data Set 13 in Appendix B includes a sample of 27 blue M&Ms with a mean weight of 0.8560 g. Assume that s

9. M&Ms Data Set 13 in Appendix B includes a sample of 27 blue M&Ms with a mean weight of 0.8560 g. Assume that s is known to be 0.0565 g. Consider a hypothesis test that uses a 0.05 significance level to test the claim that the mean weight of all M&Ms is equal to 0.8535 g (the weight necessary so that bags of M&Ms have the weight printed on the package).

a. What is the test statistic?

b. What are the critical values?

c. What is the P-value?

d. What is the conclusion about the null hypothesis (reject, fail to reject)?

e. What is the final conclusion in simple nontechnical terms?

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