Notation Listed below are combined cityhighway fuel consumption ratings (in mi/gal) for

Chapter 9, Problem 2

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Notation Listed below are combined cityhighway fuel consumption ratings (in mi/gal) for five different cars measured under both the old rating system and a new rating system introduced in 2008 (based on data from USA Today). The new ratings were implemented in response to complaints that the old ratings were too high. Find the values of d and s d . In general, what does d represent? Old Rating (mi/gal) 16 18 27 17 33 New Rating (mi/gal) 15 16 24 15 29

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