1.A researcher conducted a study and correlated two variables of interest. His obtained correlation coefficient was -0.87 and was statistically significant (p=.00001). If the two variables being correlated were hours per week spent exercising and systolic blood pressure, what can we assume about the systolic blood pressure of a person who spends a lot of time per week exercising?

2.For question 22, which graphical method would I use to "show" me the correlation between the two variables of interest?

A.Stem and Leaf plot

B.Histogram

C.Pie Chart

D.Scatterplot

3.If I know the correlation between two variables (r), what do I do with that statistic to answer the question of what percentage of variance is accounted for by the linear relationship between the two variables?