Consider this set of bivariate data: (1, 6), (3, 2), and (2, 4). a. Calculate the covariance

Question:

Consider this set of bivariate data: (1, 6), (3, 2), and (2, 4).
a. Calculate the covariance sxy.
b. Calculate the correlation coefficient r.
c. Calculate the equation of the regression line using the computing formulas.
d. Plot the three points and the straight line on a scatterplot. Does the line pass through the middle of the three points?