Question: (repeated here) for this scenario, and then answer part (e). a. What is the mean of the sampling distribution of the difference in sample means?

(repeated here) for this scenario, and then answer part (e).

a. What is the mean of the sampling distribution of the difference in sample means?

b. What is the standard deviation of the sampling distribution of the difference in sample means?

c. Assuming that the conditions are met to make it approximately normal, draw a picture of the sampling distribution of the difference in sample means in this situation, similar to Figure 9.10 (p. 340).

d. In the study by Prasad et al. (2000), the sample mean duration of symptoms was

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