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# CH14 - 14 ANALYSISOFVARIANCE , 1 InonewayANOVA, a b c...

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14:  ANALYSIS OF VARIANCE MULTIPLE CHOICE QUESTIONS In the following multiple-choice questions, please circle the correct answer. 1. In one-way ANOVA, the amount of total variation that is unexplained is measured by the: a. sum of squares for treatments b. sum of squares for error c. total sum of squares d. degrees of freedom ANSWER: b 2. The test statistic of the single-factor ANOVA equals 3. Which of the following statements is false? 4. In one-way ANOVA, suppose that there are four treatments with  5 1 = n 6 2 = n 5 3 = n , and  4 4 = n . Then the rejection region for this test at the 5% level of significance is 5. In an ANOVA test, the test statistic is  F  = 6.75. The rejection region is  F  > 3.97 for the 5% level  of significance,  F  > 5.29 for the 2.5% level, and  F  > 7.46 for the 1% level. For this test, the  p - value is

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Analysis of Variance a. greater than 0.05 b. between 0.025 and 0.05 c. between 0.01 and 0.025 d. approximately 0.05 ANSWER: c 6. In a two-tail pooled-variance  t -test (equal-variances  t -test), the null and alternative hypotheses are  exactly the same as in one-way ANOVA with 7. Which of the following is not a required condition for one-way ANOVA?
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CH14 - 14 ANALYSISOFVARIANCE , 1 InonewayANOVA, a b c...

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