Keeneland Racetrack in Lexington, Kentucky, has been a social gathering place since 1935. Every spring and fall

Question:

Keeneland Racetrack in Lexington, Kentucky, has been a social gathering place since 1935. Every spring and fall thousands of people come to the racetrack to socialize, gamble, and enjoy the horse races that have become so popular in Kentucky. A study investigated the different factors that affect the attendance at Keeneland. To many people, the social aspect of Keeneland is equally as important as watching the races, if not more. The study investigates which factors significantly contribute to attendance by Keeneland visitors. (Source: Data from Gatton School of Business and Economics publication, Gatton College, 2009.)
ANOVA table for y = attendance at Keeneland

a. Show how R2 is calculated from the SS values, and report its value.
b. Interpret the R2 value. Does the multiple regression equation help us predict the attendance much better than we could without knowing that equation?
c. Find the multiple correlation. Interpret.