The issue of the amount of difference between the mean of the population the sample is from and the mean of the null hypothesis population is the issue of
A) hypothesis testing or confidence intervals
B) Type I and Type II errors
C) effect size
D) .05 or .01 $\alpha$ level.

Question

Quizplus · Accepted Answer

The issue of the amount of difference between the mean of the population the sample is from and the mean of the null hypothesis population directly relates to the concept of effect size. Effect size quantifies the size of the difference between two groups, in this case, the actual population mean versus the hypothesized population mean under the null hypothesis.

The Issue of the Amount of Difference Between the Mean α\alphaα

The Issue of the Amount of Difference Between the Mean $\alpha$