Grocery Lists The vice president of a large supermarket
Chapter 11, Problem 31(choose chapter or problem)
Grocery Lists 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 \(\alpha=0.10\), test the claim that the proportions of the customers in the three stores who made a list before going shopping are equal.
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