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Statistics for The Behavioral Sciences

Mathematics

Quiz 12 :

Introduction to Analysis of Variance

Quiz 12 :

Introduction to Analysis of Variance

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What is stated by the alternative hypothesis (H1)for an ANOVA?​
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Answer:

B

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An analysis of variance produces SStotal = 80 and SSwithin = 30.For this analysis,what is SSbetween?​
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Answer:

B

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In an analysis of variance,which statement is false?​
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C

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In an analysis of variance,what is measured by the MS values?​
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An analysis of variances produces dftotal = 29 and dfwithin = 27.For this analysis,what is dfbetween?​
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Which outcome is expected if the null hypothesis is true for an analysis of variance?​
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In an analysis of variance,what is a factor?​
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An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment.For this study,the three samples have SS1 = 10,SS2 = 20,and SS3 = 15.What value would be obtained for MSwithin?​
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In an analysis of variance,which value is determined by the size of the sample mean differences?​
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An analysis of variance comparing three treatment conditions produces dfwithin = 21.If the samples are all the same size,how many individuals are in each sample?​
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An analysis of variances produces dftotal = 29 and dfwithin = 27.For this analysis,how many treatment conditions are being compared?​
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When comparing more than two treatment means,should you use an analysis of variance rather than using several t tests,and if so,why?​
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The following table shows the results of an analysis of variance comparing three treatment conditions with a sample of n = 7 participants in each treatment.Note that several values are missing in the table.What is the missing value for SStotal?​ img
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An analysis of variance comparing three treatment conditions produces dftotal = 32.If the samples are all the same size,how many individuals are in each sample?​
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The following table shows the results of an analysis of variance comparing four treatment conditions with a sample of n = 5 participants in each treatment.Note that several values are missing in the table.What is the missing value for the F-ratio?​ img
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An analysis of variance produces SSbetween = 40 and MSbetween = 20.In this analysis,how many treatment conditions are being compared?​
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What provides a measure of the variance caused by random,unsystematic differences?​
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What is stated by the null hypothesis (H0)for an ANOVA?​
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For an analysis of variance comparing four treatments,MSbetween = 12.What is the value of SSbetween?​
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On average,what value is expected for the F-ratio if the null hypothesis is true?​
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