Exhibit 10-2 The Following Information Was Obtained from Matched Samples

question 62

Multiple Choice

Exhibit 10-2
The following information was obtained from matched samples.
The daily production rates for a sample of workers before and after a training program are shown below.
-Refer to Exhibit 10-2. The point estimate for the difference between the means of the two populations is

• A)-1
• B)-2
• C)0

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