Problem: At a certain university, the average attendance at basketball games in the previous year was 3000 spectators per game.
For the first 14 games of the current year, there has been an average of 3200 spectators per game with a standard deviation of 450.
The athletic director claims that the attendance this season is up from last year. If , is his claim justified?
a. There is significant evidence that the director's claim is correct.
b. There is insufficient evidence to support the director's claim.