# TABLE 8.7.Number of days meetingan exercise goalCondition nMean St.Dev.Praise70 30.032.0Lottery70 35.029.9Get money70 36.029.4Lose money 71 45.030.1281 36.5Overall30.6865In exercise 8.22,1. A: Test each pairwise difference between themeans.2. B: Write up: What effects or combinations ofeffects are important., and what it means interms of the problem

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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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