If the variance for Sample 1 is 5 and the variance for Sample 2 is 3, where $n_{1}$ = 10 and $n_{2}$ = 12, what is $S \bar{X}_{1}-\bar{X}_{2}$ ?

Name: If the variance for Sample 1 is 5 and the variance for Sample 2 is 3, where $n_{1}$ = 10 and $n_{2}$ = 12, what is $S \bar{X}_{1}-\bar{X}_{2}$ ?
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The Answer of If the variance for Sample 1 is 5 and the variance for Sample 2 is 3, where $n_{1}$ = 10 and $n_{2}$ = 12, what is $S \bar{X}_{1}-\bar{X}_{2}$ ?

If the Variance for Sample 1 Is 5 and the Variance