
KOLMOGOROV-SMIRNOV TEST FOR EQUALITY OF DISTRIBUTIONS 31
var self efficacy;
exact;
run;
The test statistic and its P-value are given as
Kolmogorov-Smirnov Two-Sample Test
D = max |F1 - F2| 0.3333
Exact Pr >= D 0.4207
Our conclusion is supported by the large P-value.
Exercises for Chapter 1
Exercise 1.1 A fitness nutrition coach wanted to see for himself whether a certain
muscle building food supplement was effective. He conducted a study for which he
randomly selected ten trainees. At the start of the study, he recorded the total cir-
cumference of both arms for each participant. Then for two weeks the participants
took the supplement and continued their ...