SOLUTION: . Suppose a package delivery company purchased 14 trucks at the same time. Five trucks were purchased from manufacturer A, four from B and five from manufacturer C. The cost of
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Question 194562: . Suppose a package delivery company purchased 14 trucks at the same time. Five trucks were purchased from manufacturer A, four from B and five from manufacturer C. The cost of maintaining each truck was recorded. The company used ANOVA to test if the mean maintenance cost of the trucks from each manufacturer were equal. To apply the F test, how many degrees of freedom are in the denominator?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
df of the numerator is # of categories -1
c = 3-1 = 2
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df of the denominator is # data values - c
n-c = 14-2 = 12
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Cheers,
Stan H.
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