Question: Two surfers and statistics students collected data on the number of days on which surfers surfed in the last month for 30 longboard (L) users
Two surfers and statistics students collected data on the number of days on which surfers surfed in the last month for 30
longboard (L) users and 30 shortboard (S) users. Treat these data as though they were from two independent random samples. Test the hypothesis that the mean days surfed for all longboarders is larger than the mean days surfed for all shortboarders (because longboards can go out in many different surfing conditions). Use a level of significance of 0.05.
What is the T test statistic, p value, and the conclusion of this information?
| Longboard | Shortboard |
| 21 | 4 |
| 7 | 15 |
| 14 | 4 |
| 6 | 16 |
| 9 | 3 |
| 14 | 8 |
| 15 | 6 |
| 22 | 9 |
| 21 | 14 |
| 5 | 13 |
| 5 | 18 |
| 9 | 6 |
| 10 | 17 |
| 6 | 8 |
| 7 | 17 |
| 19 | 7 |
| 20 | 3 |
| 20 | 7 |
| 13 | 17 |
| 7 | 5 |
| 20 | 13 |
| 7 | 18 |
| 5 | 16 |
| 5 | 19 |
| 8 | 11 |
| 8 | 12 |
| 20 | 3 |
| 10 | 13 |
| 7 | 7 |
| 10 | 17 |
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