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As part of an ANOVA that compares three treatments, you carry out Tukey pairwise tests at the overall 5% significance level. The Tukey tests find that µ1 is significantly different from µ2 but that the other two comparisons are not significant. You can be 95% confident that

     

(b) just there is not enough evidence to draw conclusions about the other pairs of means.

(c)  and this implies that it must also be true that 

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