Question:

Problem 1: Consumers may be interested in whether the cost

Last updated: 7/19/2022

Problem 1: Consumers may be interested in whether the cost

Problem 1: Consumers may be interested in whether the cost of a particular calculator varies from store to store. Based on surveying 43 stores, which yielded a sample mean of $84 and a sample standard deviation of $12, test the claim that the standard deviation is greater than $15.