Assuming that there is a 5-point difference between the two sample means,which set of sample characteristics is most likely to produce a significant value for the independent-measures t statistic?
A)Large sample sizes and small sample variances
B)Large sample sizes and large sample variances
C)Small sample sizes and small sample variances
D)Small sample sizes and large sample variances

Question

Quizplus · Accepted Answer

Large sample sizes and small sample variances increase the likelihood of obtaining a significant t statistic because they reduce the standard error, making it easier to detect a true difference between the sample means.

Assuming That There Is a 5-Point Difference Between the Two