# statistics

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A researcher reports an F-ratio with df = 2, 36 from an independent-measures
research study. Based on the df values, how many treatments were compared in the study and
what was the total number of subjects participating in the study?

a. 2 treatments and 37 subjects
b. 2 treatments and 38 subjects
c. 3 treatments and 38 subjects
d. 3 treatments and 39 subjects

• statistics -

d. 3 treatments and 39 subjects.

first df 2 = t-1 so t = 3 and second df = 36 = N- t => N = 36 + 3 = 39.

• statistics -

,n,kn

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