[Solution] Two independent samples of Army and Marine recruits are selected, and the time it takes for each recruit to complete an obstacle course is recorded
Question: Two independent samples of Army and Marine recruits are selected, and the time it takes for each recruit to complete an obstacle course is recorded as shown in the table below.
At Alpha = 0.05, is there a difference in the times it takes the recruits to complete the course?
OBSTACLE COURSE TIMES
| RECRUIT | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| ARMY | 15 | 18 | 16 | 17 | 13 | 22 | 24 | 17 | 19 | 21 | 26 |
| MARINE | 14 | 9 | 16 | 19 | 10 | 12 | 11 | 8 | 15 | 18 | 25 |
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