The following scores are given in Periods of A, B, C, and D of a
high school. Test the claim that there is a significant difference
among the 4 mean scores of these 4 periods. Use a significance
level of .05.
A
B
C
D
10
11
13
18
9
16
8
23
5
9
9
25
Step 1: Claim: Ho: Ha:
Step 2: Significance level:
Step 3: Test
Values for each required entry on calculator:
P-value:
Step 4: Decision...