Testing if four population means are the same or different
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I need help with testing to see if four population means are the same or different. Assume the populations are normally distributed and have equal variances. Use the formal hypothesis-testing model. State the conclusion in statistical terms and 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
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Solution Summary
The solution tests is four population means are the same or different. The conclusion is stated in statistical terms. An ANOVA analysis is used.
Solution Preview
Following is the ANOVA table.
Source of Variation SS df MS F P-value F-crit
Between groups 900 3 300 3.00 0.0480 2.99
Within groups 2500 25 100
Total 3300 28
Null Hypothesis:
H0 : 1 = 2 = ...
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