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Suppose that on the average starting salaries of new graduates in the USA $75,878 per year...

Suppose that on the average starting salaries of new graduates in the USA $75,878 per year with a standard deviation of $4,000. To justify this salary level, a random sample of 50 new graduates is selected.

a) Define the sample and the population of this study.

b) Define the sampling distribution of the sample mean, ?̅

Math   Statistics-And-Probability   
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