Exercise

Tukey test for the difficult driving simulator

For the final exercise, let's do a pairwise comparison for ab_2 with the Tukey post-hoc test. Based on the output, how many of the mean differences in terms of number of errors are significant?

Note that aov_ab_2 is still loaded in your workspace. You can get the output back by copying the command from the previous exercise.

Instructions

50 XP

Possible answers