Author Question: A researcher obtains a Pearson correlation of r = 0.43 for a sample of n = 20 participants. For a ... (Read 81 times)

luvbio · **on:** Jun 20, 2018

A researcher obtains a Pearson correlation of r = 0.43 for a sample of n = 20 participants. For a two-tailed test, which of the following accurately describes the significance of the correlation?

A) The correlation is significant with = .05 but not with = .01.
B) The correlation is significant with either = .05 or = .01.
C) The correlation is not significant with either = .05 or = .01.
D) The correlation is equal to zero.

Question 2

For a particular population a sample of n = 4 scores has an expected mean value of 10. For the same population, a sample of n = 25 scores would have an expected mean value of ____.

A) 4
B) 8
C) 10
D) 20