Which of the Following Is the Null Hypothesis When Testing

Multiple Choice

Which of the following is the null hypothesis when testing Pearson's r for significance?

A) No difference exists between the sample and the population from which the sample was drawn.
B) No linear association exists between the variables in the sample.
C) No difference exists between the variables in the sample.
D) No linear association exists between the variables in the population from which the sample was drawn.