David took four exams in history. On each he made a score of 113. The $\mu$ 's and $\sigma$'s for those four tests are given below. On which test did David's 113 represent his best performance?
A)$\mu$ = 113, $\sigma$ = 25
B) $\mu$ =95, $\sigma$ =18
C) $\mu$ = 118, $\sigma$ =2
D)$\mu$ = 103, $\sigma$ = 5.

Question

David took four exams in history. On each he made a score of 113. The $\mu$ 's and $\sigma$'s for those four tests are given below. On which test did David's 113 represent his best performance?
A)$\mu$  = 113, $\sigma$ = 25
B) $\mu$  =95, $\sigma$ =18
C) $\mu$  = 118, $\sigma$ =2
D)$\mu$  = 103, $\sigma$ = 5.

Quizplus · Accepted Answer

The Answer of David took four exams in history. On each he made a score of 113. The $\mu$ 's and $\sigma$'s for those four tests are given below. On which test did David's 113 represent his best performance?
A)$\mu$  = 113, $\sigma$ = 25
B) $\mu$  =95, $\sigma$ =18
C) $\mu$  = 118, $\sigma$ =2
D)$\mu$  = 103, $\sigma$ = 5.

David Took Four Exams in History μ\muμ 'S And σ\sigmaσ 'S for Those Four Tests Are Given Below

David Took Four Exams in History $\mu$ 'S And $\sigma$ 'S for Those Four Tests Are Given Below