A study was conducted on 64 female college athletes. The researcher collected da

Question

A study was conducted on 64 female college athletes. The researcher collected data on a number of variables including percent body fat, total body weight, height, and age of athlete. The researcher wondered if percent body fat, height, and'or age are significant predictors of total body weight. All conditions have been checked and are met and no transformations were needed. An F-test is to be performed. Which of the following is the correct alternative hypothesis? Choose the correct answer below. A. None of percent body fat, height, and age are significant predictors of total body weight. ( B. Percent body fat, height, and age are all significant predictors of total body weight. C. The average percent body fat, height, and age are all different. O E. Exactly one of peroent body fat, height, and/or age are significant predictors of total body weight after accounting for the effects of the other explanatory variables.

Explanation / Answer

(D) is the correct alternative hypothesis here. As the researcher wants to know about the significant predictors of total dody weight of the female athletes, this is the most appropriate alternative hypothesis.

Here (A), (B), (C) does not take the form of an appropriate alternative hypothesis.

In the question, we have not found any information that the researcher is looking for exactly one significant predictor. So, (E) is wrong.

Answer: (D)

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