QUESTION 1 Calculate the coefficient of determination, given that the linear correlation coefficient, r, is 0.837. What does this tell you about the explained variation and the unexplained variation of the data about the regression line?

Question 2 The data below are the gestation periods, in months, of randomly selected animals and their corresponding life spans, in years. Construct a scatter plot for the data. Determine whether there is a positive linear correlation, a negative linear correlation, or no linear correlation.