A local gym wants to determine whether there is a significant difference between the average amount of time people spend exercising at the gym each month and the average amount of time people spend exercising outdoors each month. The data they collected is shown in the table. January February March April May June Gym
6.2 4.1 3.4 2.2 0.8 1.1
Outdoors
15
0.9
1.7
3.2
4.3
4.2
Difference
(Gym - Outdoors)
4.7
3.2
17
-1 -3.5-3.1
How is the test statistic calculated? (Note that intermediate calculations have been rounded to
4 decimal places.)