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Concept explainers
Sport Utility Vehicles Following are highway driving gas mileages of a selection of medium-sized sport utility vehicles (SUVs):44
17, 18, 17, 18, 21, 16, 21, 18, 16, 14, 15, 22, 17, 19, 17, 18.
a. Find the sample standard deviation (rounded to two decimal places).
b. In what gas mileage range does Chebyshev’s inequality predict that at least
(approximately 89%) of the selection will fall?
c. What is the actual percentage of SUV models of the sample that fall in the range predicted in part (b)? Which gives the more accurate prediction of this percentage: Chebyshev’s rule or the empirical rule?
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Chapter 8 Solutions
Bundle: Finite Mathematics, Loose-leaf Version, 7th + WebAssign Printed Access Card for Waner/Costenoble's Finite Mathematics, 7th Edition, Single-Term
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
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