15. (14 pts) A researcher wishes to see whether there is any difference in the weight gains of athletes following one of
Posted: Mon May 09, 2022 12:44 pm
15. (14 pts) A researcher wishes to see whether there is any difference in the weight gains of athletes following one of three special diets. Athletes are randomly assigned to three groups and placed on the diet for 6 weeks. The weight gains (in pounds) are shown here. Ata = 0.01, can the researcher conclude that there is a difference in the average weight gains of the diets? Diet C (X3) X1 = X2 = Diet B (X2) Diet A X) X2 = X GM= Arcoal 8 13 10 15 10 12 11 14 8 6. IM00 11 4 = S12= S22= ΣΧ3 = 46; ΣΧ2 = 61; ΣΧ. = 29, a) What are the null and alternative hypotheses? b) What is the critica alue for Fata=.01? c) What is the test value for F? Chap a w BFFRE