Question: Consider the research described in Exercise 11.4.6 in which 10 women in an aerobic exercise class, 10 women in a modern dance class, and a

Consider the research described in Exercise 11.4.6 in which 10 women in an aerobic exercise class, 10 women in a modern dance class, and a control group of 9 women were studied. One measurement made on each woman was change in fat-free mass over the course of the 16-week training period. Summary statistics are given in the following table.8 The ANOVA SS(between) is 2.465 and the SS(within) is 50.133.

(a) State in words, in the context of this problem, the null hypothesis that is tested by the ANOVA.
(b) Construct the ANOVA table and test the null hypothesis. Let a = 0.05.

Aerobics Modern dance Control 0.71 1.68 0.44 1.17 10 Mean SD In 0.00 1.31 10

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