D. as a customer walks into the branch office during the lunch hour, he asks the branch manager how long he can expect to wait. the branch manager replies,
"almost certainly less than 5 minutes. on the basis of the results of (a) through (c), evaluate the accuracy of this statement choose the correct response below
o a. since the mean and median are both less than 5 minutes, the customer is likely to experience a waiting time less than 5 minutes
ob. since the standard deviation is less than 5 minutes, the customer is likely to experience a waiting time less than 5 minutes
c. since the range of values is greater than 5 minutes, the customer is likely to experience a waiting time in excess of 5 minutes.
d. although both the mean and median are greater than 5 minutes, all values greater than 5 minutes have a z score greater than + 3.0, thus they are outliers.
this means the branch manager's statement is accurate,
click to select your answer(s)