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In a Completely Randomized Design Involving Three Treatments, the Following

Question 106

Multiple Choice

In a completely randomized design involving three treatments, the following information is provided:  Treatment 1 Treatment 2 Treatment 3 Sample Size 5105 Sample Mean 489\begin{array}{llcc}&\text { Treatment } 1&\text { Treatment } 2&\text { Treatment } 3\\\text { Sample Size } & 5 & 10 & 5 \\\text { Sample Mean } & 4 & 8 & 9\end{array} The overall mean for all the treatments is


A) 7.00
B) 6.67
C) 7.25
D) 4.89

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