Homework Answers
| 1 | 2 | |
| 50 | 30 | mean |
| 4.472135955 | 4.472135955 | std. dev. |
| 10 | 10 | n |
| 18 | df | |
| 20.000 | difference (1 - 2) | |
| 20.000 | pooled variance | |
| 4.472 | pooled std. dev. | |
| 2.000 | standard error of difference | |
| 0 | hypothesized difference | |
| 10.000 | t |
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