Tuckey’s Pairwise Comparisons

Tukey's pairwise comparisons

Family error rate = 0.0500

Individual error rate = 0.0199

Critical value = 3.55

Intervals for (column level mean) - (row level mean)

A B

B -3.685

0.435

P -4.863 -3.238

-0.859 0.766

95% confidence

Use alpha = 0.0199 for

each test.

These give 98.01%

CI’s for each pairwise

difference.

Only P vs A is significant

(both values have same sign)

95% CI for A-P is (-0.86,-4.86)