At a certain university, the average attendance at basketball games has been 3100 spectators per game. Due to the dismal showing of the team this year, the attendance for the first 13 games has been only 2750 spectators per game with a standard deviation of 500. The athletic director claims that the attendance is the same as last year. If , what is the test value?
Answer
-2.52
-5.81
-6.91
-9.10