A company introduces a new sales training program with the claim that it improves the performance of
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Question:
A company introduces a new sales training program with the claim that it improves the performance of its sales agents. A group of 12 sales agents participated in the program, and their sales performance before and after the program was measured. The data is presented below: a. ( (20 mathrm{pts}) ) Test the claim of the company using a significance level of 0.05 .
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