1. 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. A partial ANOVA table is
The F statistic for the ANOVA is F = 51.86. The P-value for the test is
A. p > 0.01.
B. 0.001 < p < 0.01.
C. p < 0.001.
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.
Minitab computes pairwise confidence intervals for the difference in the means as
Tukey's pairwise comparisons
What conclusion do we make about the three group means?
A. All the means are the same.
B. All the means are different.
C. Groups 0 and 2 are similar; Group 1 is different.