More data on alligators. A wildlife researcher measures the length (inches) and weight (pounds) of 25 young alligators in Florida. a. Explain why you expect the correlation between length and weight to be positive. b. The mean length turns out to be 84.96 inches. What is the mean length in centimeters? (There are 2.54 centimeters in an inch.) c. The correlation between length and weight turns out to be r = 0.9 . If you measured length in centimeters instead of inches, what would be the new value of r