Author Question: A researcher reports an F-ratio with df = 2, 18 from an independent-measures research study. Based ... (Read 41 times)

fnuegbu · **on:** Jun 20, 2018

A researcher reports an F-ratio with df = 2, 18 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 19 subjects
B) 2 treatments and 20 subjects
C) 3 treatments and 21 subjects
D) 3 treatments and 22 subjects

Question 2

A sample of n = 5 scores has X = 20 and X2 = 180. For this sample, what is the value of the sample standard deviation, s?

A) 5
B) 8
C) 12
D) 20