Answer the following questions in short paragraphs in your own words. You can search and study any resources but do not copy and paste. a) Why, in an ANOVA test, is it important that the variances are equal across groups?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
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Answer the following questions in short paragraphs in your own words. You can search and
study any resources but do not copy and paste.
a) Why, in an ANOVA test, is it important that the variances are equal across groups?
Transcribed Image Text:Answer the following questions in short paragraphs in your own words. You can search and study any resources but do not copy and paste. a) Why, in an ANOVA test, is it important that the variances are equal across groups?
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e) What is the relationship between error in results and sample size? (explain)
Transcribed Image Text:e) What is the relationship between error in results and sample size? (explain)
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d) Why is a smaller MSE (Mean Square Error) better?
Transcribed Image Text:d) Why is a smaller MSE (Mean Square Error) better?
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c) Is it safe to use the median to compare two populations?
Transcribed Image Text:c) Is it safe to use the median to compare two populations?
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b) What is the Mann-Whitney U test?
Transcribed Image Text:b) What is the Mann-Whitney U test?
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