SOLUTION: When we don't know the population standard deviation when we are conducting a hypothesis test for a population mean, we should use a t-test. True False

SOLUTION: When we don't know the population standard deviation when we are conducting a hypothesis test for a population mean, we should use a t-test. True False

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Question 374116: When we don't know the population standard deviation when we are conducting a hypothesis test for a population mean, we should use a t-test.
True
False

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
This is true because the t-statistic looks like . Notice how the population standard deviation is not present in the formula.

Compare this to the z statistic . Now we see the population standard deviation.
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