Question: The vice president of a large supermarket chain wished to

The vice president of a large supermarket chain wished to determine if her customers made a list before going grocery shopping. She surveyed 288 customers in three stores. The results are shown here. At α = 0.10, test the claim that the proportions of the customers in the three stores who made a list before going shopping are equal.
Perform the following steps.
a. State the hypotheses and identify the claim.
b. Find the critical value.
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified.

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  • CreatedSeptember 02, 2015
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