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File Edit Format View Help Suppose a bank branch, located in a commercial district, is e concerned with its service during the noon-to-1 pm lunch period. The waiting times, in minutes, collected from a sample of 15 customers during this hour, are listed below. Complete parts (a) 0 through (d) below. 64.08 5.58 2 88 5.11 4.58 2.43 3.58 3.15 4.66 6.21 0.38 5 07 6.34 6.51 3.65 a. Compute the mean and median. b. Compute the variance, standard deviation, range, coefficient of ea variation, and Z scores. Are there any outliers? Explain. d t c. Are the data skewed? If so, how 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 you the accuracy of this statement