Suppose you are comparing three groups with a quantitative response. You calculate an F-statistic and determine a

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Suppose you are comparing three groups with a quantitative response. You calculate an F-statistic and determine a p-value. Now suppose the standard deviations for your three groups increase, yet the three group means do not change. What will happen to the F-statistic and p-value? 

A. They will both increase. 

B. They will both decrease. 

C. The F-statistic will increase, and the p-value will decrease. 

D. The F-statistic will decrease, and the p-value will increase.

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Introduction To Statistical Investigations

ISBN: 9781119683452

2nd Edition

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

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