46. Given Y= .005(X) + .40 for predicting college GPA from SAT critical reading scores, the predicted GPA for a student with an SAT score of 600 would be

a. 0.70

b. 3.00

c. 3.40

d. 4.00

47. Assume that the equation for predicting the rate of inflation from the percent of unemployed workers is as follows:

Y' = - .90(X) + 11

If the unemployment rate equals 10 percent, the inflation rate should equal

a. 2 percent

b. 4 percent

c. 15 percent

d. 20 percent

48. Significant regression toward the mean that occurs after a spectacular "rookie" performance is often referred to as

a. Bad luck

b. A move toward mediocrity

c. The sophomore jinx

d. None of the above

49. Insofar as regression toward the mean occurs, a student who made the lowest score on the first statistics exam would be expected to score

a. More poorly on the second exam

b. Less poorly on the second exam

c. About the same on the second exam

d. Any of the above, depending on circumstances

50. There is a negative correlation between years of heavy smoking and life expectancy. Therefore, for someone who has smoked heavily for many years, you would predict a life expectancy that is

a. Short

b. Long

c. Relatively short

d. Relatively long