Author Question: When we have two independent samples, a confidence limit is generally used to a. say something ... (Read 13 times)

bobthebuilder · **on:** Jun 20, 2018

When we have two independent samples, a confidence limit is generally used to

a. say something about the difference between population means.
b. say something about the difference between sample means.
c. specify the location of a single sample mean.
d. refine the estimate of the variance.

Question 2

In computing effect sizes for a comparison of independent samples, our measure may be less than ideal if

a. we have heterogeneous variances and no control group.
b. the data are decidedly nonnormal.
c. we choose the wrong statistic for our denominator.
d. all of the above