Which combination of factors is most likely to produce a significant value for an independent-measures t statistic?
A)large samples and large variance
B)large samples and small variance
C)small samples and large variance
D)small samples and small variance

Question

Which combination of factors is most likely to produce a significant value for an independent-measures t statistic?​
A)​large samples and large variance
B)​large samples and small variance
C)​small samples and large variance
D)​small samples and small variance

Quizplus · Accepted Answer

A significant value for an independent-measures t statistic is more likely when there are large samples combined with small variance. Large samples increase the reliability of the mean difference, and small variance reduces the standard error, making any observed difference between groups more likely to be statistically significant.

Which Combination of Factors Is Most Likely to Produce a Significant