Question: After implementing the fitness program described in Exercise 48, another company found that a random sample of 48 employees increased their productivity score from 49

After implementing the fitness program described in Exercise 48, another company found that a random sample of 48 employees increased their productivity score from 49 to 56 with a standard deviation of 6.2. This company believes that the fitness firm may have exaggerated the potential results of its program. Is there evidence that the mean improvement seen by this company is less than the one claimed by the fitness company? Be sure to check the assumptions and conditions for inference.

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