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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Asked Dec 6, 2019
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TABLE 8.7.
Number of days meeting
an exercise goal
Condition n
Mean St.Dev.
Praise
70 30.0
32.0
Lottery
70 35.0
29.9
Get money
70 36.0
29.4
Lose money 71 45.0
30.1
281 36.5
Overall
30.6865
In exercise 8.22,
1. A: Test each pairwise difference between the
means.
2. B: Write up: What effects or combinations of
effects are important., and what it means in
terms of the problem
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TABLE 8.7. Number of days meeting an exercise goal Condition n Mean St.Dev. Praise 70 30.0 32.0 Lottery 70 35.0 29.9 Get money 70 36.0 29.4 Lose money 71 45.0 30.1 281 36.5 Overall 30.6865 In exercise 8.22, 1. A: Test each pairwise difference between the means. 2. B: Write up: What effects or combinations of effects are important., and what it means in terms of the problem

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Expert Answer

Step 1

A.

 

The test statistic for comparing the pairs of groups is,

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M, – M, Q= MSE п

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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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М, - м, Critical Pair Value Conclusion Not significant Not significant Significant Not significant Significant Significant Praise-Lottery Praise-Get money Praise-Lose money Q(=2.76)<3.63 Q(=3.31)<3.63 Q(=8.28)>3.63 Q(=0.55)<3.63 Q(=5.52)>3.63 Q(=4.97)>3.63 2.76 3.63 3.31 3.63 15 8.28 3.63 Lottery-Get money Lottery-Lose money Get money-Lose money 0.55 3.63 10 5.52 3.63 9. 4.97 3.63

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