Question
Asked Mar 7, 2019
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Samples of size n=9 are selected from a population with mean=80 with standard deviation=18. What is the expected value for the distribution of sample means?

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Expert Answer

Step 1

Population Mean:

It is the overall average.

Sample Mean:

It is the average of all the observations in the sample.

Step 2

Consider a population with mean 80 and standard deviation 18. A sample of size 9 is taken from this population. Then the expected value of th...

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