During the 2007-2008 NCAA college basketball season, men's basketball teams attempted an all-time high number of 3-point shots, averaging 19.07 shots per game (Associated Press Sports, January 24, 2009). In an attempt to discourage so many 3-point shots and encourage more inside play, the NCAA rules committee moved the 3-point line back from 19 feet, 9 inches to 20 feet, 9 inches at the beginning of the 2008-2009 basketball season.
Shown in the following table are the 3-point shots taken and the 3-point shots made for a sample of 19 NCAA basketball games during the 2008-2009 season.

a. What is the mean number of 3-point shots taken per game?
b. What is the mean number of 3-point shots made per game?
c. Using the closer 3-point line, players were making 35.2% of their shots. What percentage of shots were players making from the new 3-point line?
d. What was the impact of the NCAA rules change that moved the 3-point line back to 20 feet, 9 inches for the 2008€“2009 season? Would you agree with the Associated Press Sports article that stated, €œMoving back the 3-point line hasn€™t changed the game dramatically€? Explain.

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3-Polnt Shots 23 20 17 18 13 Shots Made 3-Polnt ShotsShots Made 17 19 29 25 15 10 10 4 19 28 21 25 23