Question: The file S02_16.xlsx contains traffic data from 256weekdays on four variables. Each variable lists the number of vehicle arrivals to a tollbooth during a specific

The file S02_16.xlsx contains traffic data from 256weekdays on four variables. Each variable lists the number of vehicle arrivals to a tollbooth during a specific five-minute period of the day.
a. Create a histogram of each variable. How would you characterize and compare these distributions?
b. Find a table of summary measures for these variables that includes (at least) the means, medians, standard deviations, first and third quartiles, and 5th and 95th percentiles. Use these to compare the arrival process at the different times of day.

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