In comparing two population means of interval data, we must decide whether the samples are independent (in which case the parameter of interest is ) or matched pairs (in which case the parameter is $\mu$_D) in order to select the correct test statistic.

Question

Quizplus · Accepted Answer

This statement is true. Whether the samples are independent or matched pairs affects the calculation of the test statistic and therefore the choice of hypothesis test. If the samples are independent, we use a two-sample t-test, while if the samples are matched pairs, we use a paired t-test.

In Comparing Two Population Means of Interval Data, We Must μ\muμ

In Comparing Two Population Means of Interval Data, We Must $\mu$