The following is a stem- and- leaf display representing the amount of gasoline purchased, in gallons (with leaves in tenths of gallons), for a sample of 25 cars that use a particular service station on the New Jersey Turnpike:

a. Construct an ordered array.
b. Which of these two displays seems to provide more information? Discuss.
c. What amount of gasoline ( in gallons) is most likely to be purchased?
d. Is there a concentration of the purchase amounts in the center of the distribution?

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9 147 10 02238 11 125566777 12 223489 13 02