In an effort to stabilize the process, there has been some discussion about 3 machines | ||||
that appear to be causing variation in the mean part thicknesses (measured | ||||
prior to plating). It appears that these 3 machines may be producing parts with different average | ||||
material thickness even though they are supposed to be producing parts with the same average thickness. | ||||
It was suggested that a One-Way ANOVA be used to compare the mean thicknesses | ||||
produced by these 3 machines. You will be checking for significant differences between | ||||
the mean material thicknesses produced by these 3 machines. Use a 5% level of significance. | ||||
Data: | ||||
Machine 1 | Machine 2 | Machine 3 | ||
0.546 | 0.573 | 0.573 | ||
0.526 | 0.592 | 0.570 | ||
0.587 | 0.571 | 0.527 | ||
0.563 | 0.556 | 0.572 | ||
Question: | ||||
Calculate Correction for the Mean (CM) | ||||
I got | 3.803628 |
In an effort to stabilize the process, there has been some discussion about 3 machines that...
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