Assuming that other factors are held constant,which approach would tend to increase the likelihood of rejecting the null hypothesis?
A)Decrease the sample size.
B)Increase the sample mean difference.
C)Increase the sample variance.
D)Decrease the sample mean difference.

Question

Assuming that other factors are held constant,which approach would tend to increase the likelihood of rejecting the null hypothesis?​
A)​Decrease the sample size.
B)​Increase the sample mean difference.
C)​Increase the sample variance.
D)​Decrease the sample mean difference.

Quizplus · Accepted Answer

Increasing the sample mean difference makes the difference between the two groups more pronounced, increasing the likelihood of rejecting the null hypothesis. Decreasing the sample size, increasing the sample variance, or decreasing the sample mean difference would all decrease the likelihood of rejecting the null hypothesis.

Assuming That Other Factors Are Held Constant,which Approach Would Tend