Refer to the data on the school buses in the Buena School District. Set up a variable
Question:
Based on this value, create a variable for those less than or equal to the median (low maintenance) and those more than the median (high maintenance). Finally, develop a table to show the relationship between maintenance cost and age of the bus.
a. What percentage of the buses are new?
b. What percentage of the new buses have low maintenance?
c. What percentage of the old buses have high maintenance?
d. Does maintenance cost seem to be related to the age of the bus?
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Related Book For
Statistical Techniques In Business And Economics
ISBN: 356
16th Edition
Authors: Douglas Lind, William Marchal
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