Identify the mean and median for waiting times

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The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The grouped frequency distribution below summarizes the results.

Waiting Time (Minutes) # of Customers

0-2 14

3-5 10

6-8 9

9-11 8

12-14 5

15-17 3

18-20 1

Based on the grouped frequency distribution, you are to identify the mean and median for waiting times.

Reference no: EM13145754

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