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