1.An obtained correlation coefficient of -.37 would be considered, under Cohen's rules of thumb, a correlation.

A.Low

B.Moderate

C.Non-existent

D.High

2.A researcher conducted a study and correlated two variables of interest. His obtained correlation coefficient was 1.52. Should he be excited or should he be worried? Why or why not? Support your answer

3.What is value of the correlation coefficient under the null hypothesis; when the null is true?

4.Which graphical method is most appropriate for examining data on two variables for a possible correlation?

A.Stem and Leaf plot

B.Histogram

C.Pie Chart

D.Scatterplot