If a researcher is using a t statistic to test a null hypothesis about a population,what information is needed from the population to calculate the t statistic?
A)You must know the population mean
B)You must know the population variance or standard deviation
C)You must know the population mean and the variance or standard deviation
D)The t statistic does not require any information about the population

Question

If a researcher is using a t statistic to test a null hypothesis about a population,what information is needed from the population to calculate the t statistic?​
A)​You must know the population mean
B)​You must know the population variance or standard deviation
C)​You must know the population mean and the variance or standard deviation
D)​The t statistic does not require any information about the population

Quizplus · Accepted Answer

The t statistic is used when the population standard deviation is unknown, relying instead on the sample standard deviation and mean to estimate the standard error.

If a Researcher Is Using a T Statistic to Test