Walling times (in minutes) of customers in a bank where all customers enter a si

Question

Walling times (in minutes) of customers in a bank where all customers enter a single writing line and a bank where customers wait in individual lines at three different teller windows are listed below. Find the mean and median for each of the tow sample, then compare the two sets of results. The mean waiting time for customers in a single line is minutes. The median waiting time for customers in a single line is minutes. The mean waiting time for customers in individual line is minutes. The median waiting time for customers in individual line is minutes. Determine whether there is a different between the two set that is not apparent from a comparison of the measures of center. If so, what is it? A. The times for customers in a single line are much more vaned than the times for customers in individual line. B. The times for customers in individual line are much more vaned than the times for customers in individual line. C. There is no difference between the two data sets.

Explanation / Answer

a) Mean for single line is 7.1

b) Median is 7

c) Mean for individual line is 7.1

d) Median is 7

For last part

There is no difference.. Option C is Correct

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