As Director of the Employee Wellness and Productivity Program in Your

Multiple Choice

As director of the employee wellness and productivity program in your company, you are interested in comparing the effects of strength training, aerobic training, and yoga on decreasing rates of injury and absenteeism. The company has 9 divisions with roughly the same number of employees, and you randomly assign 3 divisions to participate in strength training, 3 to aerobic training, and 3 to yoga. Analysis of the data yielded the following ANOVA table: Using $\alpha$ = 0.05, the appropriate decision is ___.

A) reject the null hypothesis $\mu$ ₁ $\neq$$\mu$ ₂ $\neq$$\mu$ ₃

B) do not reject the null hypothesis $\mu$ ₁ $\ge$$\mu$ ₂ $\ge$ $\mu$ ₃

C) reject the null hypothesis $\mu$ ₁= $\mu$ ₂= $\mu$ ₃

D) do not reject the null hypothesis $\mu$ ₁ $\le$ $\mu$ ₂ $\le$$\mu$ ₃

E) inconclusive