In a test of weight loss? programs, 160 subjects were dividedsuch that 32 subjects followed each of 5 diets. Each was weighed ayear after starting the diet and the results are in the ANOVA tablebelow. Use a 0.025 significance level to test the claim that themean weight loss is the same for the different diets.
Source of Variation | SS | df | MS | F | ?P-value | F crit |
|---|
Between Groups | 554.416 | 4 | 138.60402 | 4.4411 | 0.001999 | 2.869395 |
|---|
Within Groups | 4837.455] | 155 | 31.20939 | | | |
|---|
Total | 5391.871 | 159 | |
|---|
Should the null hypothesis that all the diets have the same meanweight loss be? rejected?
A.
YesYes?,
because the? P-value is
greater thangreater than
the significance level.
B.
YesYes?,
because the? P-value is
less thanless than
the significance level.
C.
NoNo?,
because the? P-value is
less thanless than
the significance level.
D.
NoNo?,
because the? P-value is
greater thangreater than
the significance level.
