Sampling Distribution of Sample Mean Differences
Standard Deviation of Source Population = ±T
Sample Sizes: na=; nb=T
Standard Error of Sample Mean Differences = ±
xxx
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| MeanaMeanb | |
Mean Difference in Tail | PLeft | Right | 1 tail | 2 tail | |
P | 1 tail | 2 tail
.050 | .025 .010 .005 .001
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