Question

Let x stand for the length of an individual screw. 100 screws were sampled at a time. The population mean is 2.5 inches and the population standard deviation is 0.2 inches.

What is the mean of the sampling distribution of sample means?

Answer 1

The mean is defining the average length(2.5in) of the 100 measured screws.

Explanation:

The mean is usually calculated in order to determine the average of a set of values.