(E1.31)-Service Times, continued Refer to Exercise 1.30. Construct a relative frequency histogram for the supermarket service times.
a. Describe the shape of the distribution. Do you see any outliers?
b. Assuming that the outliers in this data set are valid observations, how would you explain them to the management of the supermarket chain?
c. Compare the relative frequency histogram with the stem and leaf plot in Exercise 1.30. Do the two graphs convey the same information?
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