The following data shows the waiting times in minutes for the customers in a bank before the customer is served.
0.38 2.34 3.02 3.20 3.54 3.79 4.21 4.50 4.77 5.12
5.13 5.55 6.10 6.19 6.46
a) Write the five number summary (the minimum, Q1, Median, Q2, and the maximum.)
b) What is the interquartile range?
c) Do you see any of the above numbers as potential outliers (according to the text's definition)?
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