Machine1 Machine2 Machine 3 Machine4

6.7 8.7 11.2 9.8

7.9 7.3 10.4 12.9

5.4 9.4 9.6 12.1

7.5 10.1 10.4 10.9

8.7 9.2 9.1 11.2

7.6 9.9 8.7 11.5

Use the Bonferroni adjustment to test for a significant difference between all pairs of means. Assume that a maximum overall experimentwise error rate of 0.05 is desired.

Find the value of LSD. (Round your comparisonwise error rate to three decimal places. Round your answer to two decimal places.)

LSD =_______

Find the pairwise absolute difference between sample means for each pair of machines.

x₁x₂=____

x₁x₃=____

x₁x₄=_____

x₂x₃=_____

x₂x₄=____

x₃x₄=_____