Analysis of variance to test for mean differences
A researcher employs analysis of variance to test for mean differences among three treatments with a sample of n = 12 in each treatment. The F-ratio for this analysis would have what df values?
a. df = 2, 11
b. df = 2, 33
c. df = 2, 35
d. df = 2, 36
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An analysis of variance produces SSbetween = 40 and MSbetween = 20. In this analysis, how many treatment conditions are being compared?
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