iii. What percent of the variation in weight can be explained by variation in height? About of the variation in weight can be explained by variation in height. Give your answer as a whole number. iv Find the equation for the regression line. (For grading purposes, please do this even if it does not make sense to use the line for predictions.) Round your answers to one decimal place. I +table below. The height (in cm) and weight (in lbs) of 16 randomly selected baseball players are shown in the height weight 76 212 76 224 72 180 74 210 75 215 71 200 77 235 78 235 77 194 76 185 72 180 72 170 75 220 74 228 73 210 74 186 Download CSV Assume we want to do a regression analysis. i. Find the correlation coefficient. Round your answer to four decimal places. ii. Does it actually make sense to use the line for predictions? Do a hypothesis test with a = 0.05 and explain your answer. You may want to reference a @ Critical Values Table _ [+] (there is also one in your textbook)