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You run an analysis and obtain the results shown below. If you were running a two-tailed hypothesis test using alpha = .05, would you be
You run an analysis and obtain the results shown below. If you were running a two-tailed hypothesis test using alpha = .05, would you be able to reject the null hypothesis?
Sample 1 | Sample 2 | |
Mean | 63 | 70 |
Variance | 364 | 247 |
Observations | 121 | 76 |
Pooled Variance | 318 | |
Hypothesized Mean Difference | 0 | |
df | 195 | |
t Stat | -2.75 | |
P(T<=t) one-tail | 0.004 | |
t Critical one-tail | 1.653 | |
P(T<=t) two-tail | 0.007 | |
t Critical two-tail | 1.972 |
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