Repeat the exercise in Problem 3.15 but let Y and X denote the male and the female critical reading scores, respectively. Assume a female critical reading score for 2008 of 505.
Problem 3.15
a. Estimate the preceding regression, obtaining the usual summary statistics.
b. Test the hypothesis that there is no relationship between Y and X whatsoever.
c. Suppose the female math score in 2008 is expected to be 490. What is the predicted (average) male math score?
d. Establish a 95% confidence interval for the predicted value in part (c).