Refer to Exercise 14.29.
a. How would you design an experiment to investigate the effects of age, gender, and excess weight on fatigue time?
b. Suppose the physician wanted to investigate the relationship among the quantitative variables percentage overweight, age, and fatigue time. Write a possible model.
In exercise
Classification Fatigue Time
Normal………………….. 25, 28, 19, 27, 23, 30, 35
1%– 10% overweight…… 24, 26, 18, 16, 14, 12, 17
11%– 20% overweight…. 15, 18, 17, 25, 12, 10, 23
More than 20% overweight… 10, 9, 18, 14, 6, 4, 15