E416: A designed experiment has been conducted at three levels (A, B, and C) yielding the...
E416: A designed experiment has been conducted at three levels (A, B, and C) yielding the following “coded” data:
A B C
6 5 3
3 9 4
5 1 2
2
As a major step in the analysis, one would calculate the degrees of freedom for the “error” sum of squares to be:
A. 7
B. 9
C. 6
D. 3
Homework Answers
Solution
levels = k = 3
total observations = N = 9
Error degree of freedom = N-k = 9 - 3 = 6
C. 6
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