A Mechanical Engineer at a Manufacturing Plant Keeps a Close

Short Answer

A mechanical engineer at a manufacturing plant keeps a close watch on the performance and condition of the machines. The following data are the weight losses (in milligrams) of certain machine parts due to friction when used with three different lubricants. How many degrees of freedom are associated with the F test statistic?
______________
Calculate the value of the test statistic F.
F = ______________
Set up the rejection region for = 0.01.
The rejection region is ______________.
What is the appropriate conclusion?
______________
One ______________ conclude that there is a significant difference in average weight loss among the three lubricants.