Final answer:
The value of the test statistic to test for a difference between the workouts is 2.18.
Step-by-step explanation:
The value of the test statistic to test for a difference between the workouts is 2.18. This test statistic is used to determine whether the observed difference in the mean values of the workouts is statistically significant. To make this determination, the test statistic is compared to the critical value, or the value beyond which we consider the difference to be statistically significant.