Author Question: A research report concludes that there are significant differences among treatments, with F(2, 27 ) ... (Read 54 times)

tiara099 · **on:** Jun 20, 2018

A research report concludes that there are significant differences among treatments, with F(2, 27 ) = 8.62, p < .01. If the same number of participants was used in all of the treatment conditions, then how many individuals were in each treatment?

A) 7
B) 9
C) 10
D) 30

Question 2

A set of 10 scores has SS = 90. If the scores are a sample, the sample variance is ____ and if the scores are a population, the population variance is ____.

A) s2 = 9; 2 = 9
B) s2 = 9; 2 = 10
C) s2 = 10; 2 = 9
D) s2 = 10; 2 = 10