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# In an experiment, participants were divided into 4 groups. There were 20 participants in each group, so the degrees of freedom (error) for this study...

In an experiment, participants were divided into 4 groups. There were 20

participants in each group, so the degrees of freedom (error) for this study was

80 - 4 = 76. Tukey’s HSD test was performed on the data. (a) Calculate the p

value for each pair based on the Q value given below. You will want to use the

Studentized Range Calculator. (b) Which differences are significant at the .05

level?