Question

You can use both the t statistic and the z statistic to test hypotheses about the mean of population. The test that uses the t statistic is typically referred to as a t test, while the test that uses z statistic is commonly called a z test. Which of the following statements are true of the t statistic? Check all that apply. The numerator of the t statistic is different than the numerator of the z statistic. When you do not know the population standard deviation, you can use the t statistic, assuming all relevant assumptions are satisfied. The t statistic provides an increasingly bad estimate of z at increasingly large sample sizes. The formula for the t statistic is t = (M - ?) / sM With the exception of whether the population standard deviation is known, the necessary assumptions for hypothesis tests with the t statistic and with the z statistic are

          You can use both the t statistic and the z statistic to test hypotheses about the mean of population. The test that uses the t statistic is typically referred to as a t test, while the test that uses z statistic is commonly called a z test.

Which of the following statements are true of the t statistic? Check all that apply.

The numerator of the t statistic is different than the numerator of the z statistic.
When you do not know the population standard deviation, you can use the t statistic, assuming all relevant assumptions are satisfied.
The t statistic provides an increasingly bad estimate of z at increasingly large sample sizes.
The formula for the t statistic is t = (M - ?) / sM

With the exception of whether the population standard deviation is known, the necessary assumptions for hypothesis tests with the t statistic and with the z statistic are

You can use both the t statistic and the z statistic to test hypotheses about the mean of population. The test that uses the t statistic is typically referred to as a t test, while the test that uses z statistic is commonly called a z test.

Which of the following statements are true of the t statistic? Check all that apply.

The numerator of the t statistic is different than the numerator of the z statistic.
When you do not know the population standard deviation, you can use the t statistic, assuming all relevant assumptions are satisfied.
The t statistic provides an increasingly bad estimate of z at increasingly large sample sizes.
The formula for the t statistic is t = (M - ?) / sM

With the exception of whether the population standard deviation is known, the necessary assumptions for hypothesis tests with the t statistic and with the z statistic are

Added by Kaitlin S.

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