Question

Asked Nov 21, 2019

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The average income in a state was

$64 comma 64,000

per person per year. Suppose the standard deviation is
$29 comma 29,000

and the distribution is right-skewed. Suppose we take a random sample of 100 residents of the state. Complete parts (a) and (b) below.a. What value should we expect for the sample mean? Why?

b. What is the standard error for the sample mean?

Step 1

It is given that the average income of residents in a state is 64,000 and standard deviation is 29,000. The size of the sample of residents is 100.

Step 2

a.

The value of the sample mean is same as the population mean.

According to central limit theorem, as samp...

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