Pet Preference Was Compared for Four Different Types of Animals

Multiple Choice

Pet preference was compared for four different types of animals (dogs, cats, birds, and fish) , using a one-way within-groups ANOVA with nine participants.The standard error was calculated as 0.19.What are the critical cutoffs for the two-tailed Tukey HSD tests for these data, assuming a p level of 0.05, given the following groups' means: Dogs M = 4.43, Cats M = 4.18, Birds M = 2.73, Fish M = 4.07?

A) -4.0 and 4.0
B) -3.90 and 3.90
C) 3.90
D) 4.0