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1. I have three groups for which I want to perform an ANOVA. They have standard deviations s1 = 2.5, s2 = 3.4, s3 = 6.4 and the plots of the data indicate all samples are approximately Normal with no outliers. Is the ANOVA appropriate?
A. YesB. NoC. Not enough information to tell.
2. One characteristic of billiard balls is their elasticity - the bounce they get when striking one another. A manufacturer of billiard balls is testing three additives to the basic plastic. Here are the summary statistics.
The estimate of the pooled standard deviation, s, isA. 54.56.B. 7.39.C. 7.56.
3. One characteristic of billiard balls is their elasticity - the bounce they get when striking one another. A manufacturer of billiard balls is testing three additives to the basic plastic.
The F statistic for the ANOVA test isA. 3.84.B. 51.86.C. 11.50.
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