The distribution of prices for a certain car model is approximately normal with mean $21,800

The distribution of prices for a certain car model is approximately normal with mean $21,800 and standard deviation $400. A random sample of 4 cars of the model will be selected. What is the correct unit of measure for the mean of the sampling distribution of ?

A Dollars

B Models

C Cars

D Samples

E There are no units associated with the mean of the sampling distribution

Answer: The correct answer is Dollars

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