Question: 13.26 Any predictive power? Refer to the previous three exercises. a. State and interpret the null hypothesis tested with the F statistic in the ANOVA

13.26 Any predictive power? Refer to the previous three exercises.

a. State and interpret the null hypothesis tested with the F statistic in the ANOVA table given in Exercise 13.23.

b. From the F table (Table D), which F statistic value would have a P-value of 0.05 for these data?

c. Report the observed F test statistic and its P-value.

Interpret the P-value, and make a decision for a 0.05 significance level. Explain in nontechnical terms what the result of the test means.

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