Question: 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

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.

The point estimate for the difference between the means of the two population is?
The null hypotheses to be tested is Ho: Î¼d = 0. The test statistic is?
Is it a null or alternative hypotheses.
Will it be rejected or accepted.

Worker Before After 20 22 25 23 3 27 27 23 20 5 22 25 20 19 17 18 2. 4. 6.

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