Question: Test to see if 4 population means are the same or different. Suppose the populations are normally distributed & have equal variances. Use the formal hypothesis-testing model. State the conclusion in statistical terms & in conversational English. Use the ANOVA table below.
ANOVA
|
Source of Variation
|
SS
|
df
|
MS
|
F
|
P-value
|
F crit
|
Between Groups
|
900
|
3
|
300
|
3.00
|
0.0480
|
|
Within Groups
|
2500
|
25
|
100
|
|
|
|
Total
|
3300
|
|
|
|
|
|