DoyleAK6738 DoyleAK6738

23-12-2022
Business

Answered

Case a) A supermarket chain wants to know which of two merchandise display methods is more effective. They randomly assign 15 stores to use display type and 15 others to use display type B, then collect data about the number of items sold at each store and note that the standard deviations of the sales of stores in the sample groups using display A and display B are 3 and 5 respectively. Case b) Tags placed on garbage cans allow the disposal of up to 30 pounds of garbage_ A random sample of 22 cans averaged 33.2 pounds with a standard deviation of 3.2 pounds You want to know whether the residents overload their garbage cans or not:

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