A Psychologist Wishes to Determine Which of Four Diet Plans

question 27

Multiple Choice

A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH) , E-mail-A-Meal (EAM) , Weight-Lookers (WLK) , and Low-Carbs (LOC) . The numbers represent weight loss in pounds for 3 months for each client. $\begin{array} { c c c c } \hline \text { LOH } & \text { EAM } & \text { WLK } & \text { LOC } \\\hline 14 & 11 & 10 & 25 \\19 & 15 & 5 & 18 \\12 & 9 & 6 & 24 \\9 & 19 & 11 & 29 \\14 & 12 & 4 & 17 \\15 & 10 & 5 & 20 \\18 & 20 & 4 & 23 \\8 & 8 & 3 & 27 \\\hline\end{array}$
-The mean squares within groups (MSW) is

• A)436.750
• B)15.598
• C)383.583
• D)24.591

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