A Dietitian Wants to See If There Is Any Difference

question 58

Essay

A dietitian wants to see if there is any difference in the effectiveness of three diets. Eighteen people, comprising a sample, were randomly assigned to the three diets. Below you are given the total amount of weight lost in a month by each person. $$\begin{array} { c c c } \text { Diet } \mathrm { A } & \text { Diet B } & \text { Diet C } \\14 & 12 & 25 \\18 & 10 & 32 \\20 & 22 & 18 \\12 & 12 & 14 \\20 & 16 & 17 \\18 & 12 & 14\end{array}$$ What would you advise the dietician about the effectiveness of the three diets? Use Excel and a .05 level of significance.
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