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Customer waiting times

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Reference no: EM131429407

Find the range, mean and median for each of the two samples below, and then compare the two sets of results.

Customer Waiting Times:

Waiting times (in minutes) of customers at the Jefferson Valley Bank (where all customers enter a single waiting line) and the Bank of Providence (where customers wait in individual lines at three different teller windows) are listed below. Determine whether there is a difference between the two data sets that is not apparent from a comparison of the measures of center. If so, what is it?

Jefferson Valley (single line):

6.5

6.6

6.7

6.8

7.1

7.3

7.4

7.7

7.7

7.7

Providence (individual lines):

4.2

5.4

5.8

6.2

6.7

7.7

7.7

8.5

9.3

10.0

Reference no: EM131429407

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