As Director of the Employee Wellness and Productivity Program in Your

question 103

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 18 divisions with roughly the same number of employees, and you randomly assign 6 divisions to participate in strength training, 6 to aerobic training, and 6 to yoga.Analysis of the data yielded the following ANOVA table. $$\begin{array} { | l | r | r | r | r | } \hline \text { Source of Variation } & { \text { SS } } &{ \text { df } } & { \text { MS } } & { \text { F } } \\\hline \text { Treatment } & 33476.19 & 2 & 16738.1 & 9.457912 \\\hline \text { Error } & 26546.18 & 15 & 1769.745 & \\\hline \text { Total } & 60022.37 & 17 & & \\\hline\end{array}$$ 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

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Definitions:

Unconditioned Response

An unconditioned response is an automatic, natural reaction to a stimulus that occurs without prior learning or conditioning.

Conditioned Response

A learned reaction to a previously neutral stimulus, which has become associated with an unconditioned stimulus through classical conditioning.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any need for learning.

Conditioned Stimulus

A neutral stimulus that, after it's combined with an unconditioned stimulus, results in triggering a conditioned response over time.