In: Statistics and Probability
Statistics exercises
One-way repeated measures ANOVA
1. Suppose you are interested in learning if practice on the ACT improves test scores. You sample a random group of 10 people and ask them to take the ACT 1 time per week for 3 consecutive weeks. Use the data below to determine if practice improves test scores.
| 
 Participant  | 
 Test 1  | 
 Test 2  | 
 Test 3  | 
| 
 1  | 
 18  | 
 23  | 
 24  | 
| 
 2  | 
 20  | 
 22  | 
 26  | 
| 
 3  | 
 21  | 
 24  | 
 23  | 
| 
 4  | 
 19  | 
 25  | 
 28  | 
| 
 5  | 
 20  | 
 21  | 
 23  | 
| 
 6  | 
 19  | 
 22  | 
 25  | 
| 
 7  | 
 20  | 
 20  | 
 20  | 
| 
 8  | 
 21  | 
 23  | 
 25  | 
| 
 9  | 
 28  | 
 27  | 
 29  | 
| 
 10  | 
 25  | 
 27  | 
 26  | 
Solution
Here we will perform one way anova
Assume that
Test 1 denoted by A
Test 2 denoted by B
Test 3 denoted by C




