What statistical test would you use to test the difference in heart rate response to exercise between a group of cardiac patients involved in a formal cardiac rehabilitation program and another group exercising at home?
A) Central tendency
B) Chi-square
C) Pearson product moment correlation
D) t-test

Question

Quizplus · Accepted Answer

The t-test is used to determine if there is a significant difference between groups with data measured at the interval or ratio level.
There are several measures of central tendency; none of them would be used to find a significant difference between groups.
Chi-square determines whether two variables are independent or related.
Pearson product moment correlation is a parametric test used to determine relationships among variables.

What Statistical Test Would You Use to Test the Difference