EXAMPLE 14.25 Displaying Multiple-Comparisons Results

CASE 14.2 Here is a table of the means and standard deviations for the three treatment groups. To report the results of multiple comparisons, use letters to label the means of pairs of groups that do not differ at the overall 0.05 significance level.

743

Label shows that Basal and Strat do not differ. Label shows that DRTA and Strat do not differ. Because Basal and DRTA do not have a common label, they do differ.