Standard Error Is Used in the Calculation of Both the Z

Multiple Choice

Standard error is used in the calculation of both the z and t statistic, with the difference that:

A) t statistics require fewer numeric calculations than z statistics.
B) the standard error for the t statistic is estimated using the sample standard deviation.
C) the z statistic is based on known properties of the sample being studied.
D) the population standard deviation is the basis of standard error in the t test.