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In a situation for which paired differences are appropriate, suppose that μ_d = 0, σ_d = 10, and n = 25.

a. Draw a picture of the appropriate sampling distribution, and show where the value d^‾ = -3 falls on it.

b. Find the value of the standardized statistic corresponding to d^‾= -3.

c. Draw a picture of the standard normal distribution with the standardized statistic that you found in part (b) shown on it. Compare it to your picture in part (a).

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Applied Statistics, Statistics

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