Suppose a health survey for a group of people yields the following information about their heights (in inches) and weights (in pounds): Height: average = 66 inches, SD = 3 inches Weight: average = 170 pounds, SD = 50 pounds correlation coefficient = 0.60 A scatterplot of the people's weights, based on their heights, is an oval-shaped cloud of points slanting upwards. - Using the regression line as a summary of the data, the people in this group that are 72 inches tall have an average weight of 230 pounds; the SD is ____ pounds