Question

In: Statistics and Probability

To test whether the mean time needed to mix a batch of material is the same...

To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, a chemical company obtained the following data on the time (in minutes) needed to mix the material.

Manufacturer
1 2 3
19 27 21
27 26 19
24 30 22
26 33 26

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

_________.

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

p-value = ______.

At the α = 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3.

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

LSD = _________.

Find the pairwise absolute difference between sample means for manufacturers 1 and 3.


  [x1 − x3]=________.

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