Suppose you are conducting an ANOVA test with four groups and each group has a sample size

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Suppose you are conducting an ANOVA test with four groups and each group has a sample size of 20.
a. Suppose the variability between groups increases. Does the F-statistic increase or decrease? Does the p-value increase or decrease?
b. Suppose the variability within groups increases. Does the F-statistic increase or decrease? Does the p-value increase or decrease?

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Introduction To Statistical Investigations

ISBN: 9781118172148

1st Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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