DrOswald Conducts a Study Examining the Relationship Between the Number

Multiple Choice

Dr.Oswald conducts a study examining the relationship between the number of friends one has and the experience of daily stress and life satisfaction.She randomly samples 1,500 elderly men and women in the Memphis,Tennessee,area in the southern United States.Below are her findings.
-Life satisfaction and experience of daily stress: r = -.57 ( p = .01)
-Number of friends one has and experience of daily stress: r = .09,not sig.
-Number of friends one has and life satisfaction: r = .36 ( p = .04)

-The "not sig." in Dr.Oswald's findings indicates all of the following EXCEPT:

A) It is likely that the association between number of friends one has and experience of daily stress is from a zero association population.
B) Effect size could not be calculated.
C) There is not a statistically significant association between the two variables.
D) She cannot reliably predict a study participant's experience of daily stress from the participant's number of friends.