At a Certain American University, the Average Attendance at Basketball $\pm 1.7531$

Multiple Choice

At a certain American university, the average attendance at basketball games has been 2,700 spectators per game. The attendance for the first 16 games has been 2,450 spectators per game with a standard
Deviation of 550. The athletic director claims that the attendance is the same as last year. If , what
Are the critical values?

A) $\pm 1.7531$
B) $\pm 2.1315$
C) $\pm 3.5062$
D) $\pm 4.2630$