11 Excavating ancient pottery. In the Chance (Fall 2000) study of ancient Greek pottery, 837 pottery pieces

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11 Excavating ancient pottery. In the Chance (Fall 2000) study of ancient Greek pottery, 837 pottery pieces were uncovered at the excavation site. The table describing the types of pottery found is reproduced in the next table and the information saved in the POTTERY file.

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a. Describe the qualitative variable of interest in the study.
Give the levels (categories) associated with the variable.

b. Assume that the four types of pottery occur with equal probability at the excavation site. What are the values of p1, p2, p3, and p4, the probabilities associated with the four pottery types?

c. Give the null and alternative hypotheses for testing whether one type of pottery is more likely to occur at the site than any of the other types.

d. Find the test statistic for testing the hypotheses stated in part c .

e. Find and interpret the p -value of the test. State the conclusion in the words of the problem if you use a = .10.

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Statistics

ISBN: 9781292022659

12th International Edition

Authors: James T Mcclave, Terry Sincich

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