Cramer's Bar and Grille in Dallas Can Seat 130 People

Multiple Choice

Cramer's Bar and Grille in Dallas can seat 130 people at a time. The manager has been gathering data on the number of minutes a party of four spends in the restaurant from the moment they are seated to when they pay the check. What is the variance and standard deviation?

A) Variance = 164.99, standard deviation = 12.84
B) Variance = 233.75, standard deviation = 15.89
C) Variance = 128.75, standard deviation = 11.35
D) Variance = 134.75, standard deviation = 11.61