A sample of grocery store receipts has a mean of 157 and a s

A sample of grocery store receipts has a mean of $157 and a standard error of the mean of $4.77. Your job is to decide whether or not the mean of sales at this grocery store is different from $150.
For this hypothesis test, what value does take?

Solution

For the hypothesis test, u = $150, as you are testing whether it is 150 or not. $157 here is just the sample mean.

[ANSWER: u = $150]