To test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained.

Machine1 Machine2 Machine3 Machine 4

6.7 8.9 11.0 9.7

8.1 7.5 10.0 12.8

5.6 9.7 9.5 12.0

7.8 10.3 10.0 10.6

8.6 9.4 9.1 11.2

7.6 10.0 8.6 11.5

Find the value of the test statistic. (Round your answer to two decimal places.)

________

Find thep-value. (Round your answer to three decimal places.)

p-value =_______

Use Fisher's LSD procedure to test for the equality of the means for machines 2 and 4. Use a 0.05 level of significance.

Find the value of LSD. (Round your answer to two decimal places.)

LSD =_______

Find the pairwise absolute difference between sample means for machines 2 and 4.

x₂x₄=______