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The following questions are based on Chapter 12 (One-Way Analysis of Variance). 1. A researcher wishes to...

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Statistics

The following questions are based on Chapter 12 (One-WayAnalysis of Variance).

1. A researcher wishes to test the differences among fivepopulation means, using the .05 criterion of significance. Why isit a bad idea to perform 10 t tests for the 10 possible pairs ofmeans?

2. In one-way analysis of variance, what can cause the groupmeans to vary?

3. In a one-way analysis of variance, the degrees of freedom forthe numerator is equal to…?

4. In one-way analysis of variance, the F ratio is computedby…?

5. The smallest and largest possible values of F are…?

6. When testing a Kruskal-Wallis H for statistical significance,the critical value can be found in the…?

Answer & Explanation Solved by verified expert
4.2 Ratings (643 Votes)
1It is a bad idea to perform 10 t tests for the 10 possible pairsof means because every time we conduct a t test there is a chancethat we will make a Type I Error    See Answer
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