Practice the problem #8 pg. 270: What is the power of each of the following studies, using a t test for dependent means (based on the .05 significance level)? To complete this question review the chart located on #8 pg. 270.

The chart is read as:

Study Effect Size N Tails

a) small 20 one

b) medium 20 one

c) medium 30 0ne

d) medium 30 two

e) large 30 two