Here Is a Scatterplot of Weight Versus Height for Students

Essay

Here is a scatterplot of weight versus height for students in an introductory statistics class.The men are coded as '1' and appear as circles in the scatterplot; the women are coded as '2' and appear as squares in the scatterplot.
a. Do you think there is a clear pattern? Describe the association between weight and height.
b. Comment on any differences you see between men and women in the plot.
c. Do you think a linear model from the set of all data could accurately predict the weight of a student with height 70 inches? Explain.