If We Fail to Reject the Null Hypothesis in a Test

Multiple Choice

If we fail to reject the null hypothesis in a test of significance for a Pearson's r, we conclude that________.

A) there is a negative association between the variables.
B) no inference can be made about the relationship of the two variables in the population.
C) the relationship exists but its direction and strength are unknown.
D) the variables are related in the population.