Waiting times (in minutes) of customers in a bank where all customers enter a si
ID: 3317513 • Letter: W
Question
Waiting times (in minutes) of customers in a bank where all customers enter a single waiting 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 two samples, then compare the two sets of results Single Line Individual Lines 6.3 4.1 6.6 5.4 6.7 5.9 7.0 6.5 7.3 7.8 7.8 8.7 7.8 10.0 6.8 7.8 9.4 The mean waiting time for customers in a single line isminutes The median waiting time for customers in a single line is minutes The mean waiting time for customers in individual lines isminutes The median waiting time for customers in individual lines is minutes 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? O A. The times for customers in individual lines are much more varied than the times for customers in a single line O B. The times for customers in a single line are much more varied than the times for customers in individual lines. ° C. There is no difference between the two data setsExplanation / Answer
The statistical software output for this problem is:
Summary statistics:
Hence,
Mean waiting time for single lines = 7.17
Median waiting time for single lines = 7.15
Mean waiting time for individual lines = 7.17
Median waiting time for individual lines = 7.15
There is no difference between the two data sets.
Column Mean Median Single Line 7.17 7.15 Individual Line 7.17 7.15Related Questions
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