Question

Asked Dec 6, 2019

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Step 1

A.

** **

The test statistic for comparing the pairs of groups is,

Step 2

The value of MSE is the average value of the variances of the groups. Hence, the value of MSE is 922.095 and the value of *n* is 281.

Step 3

**Critical Value:**

From the given information, there are 4 groups and the total number of observations is 281.

The Error degrees of freedom is 281-4=277.

From studentized range table, the critical value corresponding with k=4, the error degrees of freedom as 277 and 0.05 level of significance is **3.63**.

**Rejection R...**

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