The regression of Duration of a roller coaster ride on the height of its initial Drop, described in Exercise 30, had R2 = 32.0%.
a) What is the correlation between Drop and Duration?
b) What would you predict about the Duration of the ride on a coaster whose initial Drop was 1 standard deviation below the mean Drop?
c) What would you predict about the Duration of the ride on a coaster whose initial Drop was 3 standard deviations above the mean Drop?