Question: It is a commonly held belief that SUVs are safer than cars. If an SUV and car are in a collision, does the SUV sustain

It is a commonly held belief that SUVs are safer than cars. If an SUV and car are in a collision, does the SUV sustain less damage (as suggested by the cost of repair)? The Insurance Institute for Highway Safety crashed SUVs into cars. The SUV was moving 10 miles per hour and the front of the SUV crashed into the rear of the car.

(a) Why are these matched-pairs data?
(b) Draw a boxplot of the differenced data. Does the visual evidence support the belief that SUVs have a lower repair cost?
(c) Do the data suggest the repair cost for the car is higher? Use an Î± = 0.05 level of signiï¬cance.

SUV Damage Damage Car SUV into Car Honda CR-V into Honda Civic Toyota RAV4 into Toyota Corolla Hyundai Tucson into Kia Forte Volkswagen Tiguan into Volkswagen Golf Jeep Patriot into Dodge Caliber Ford Escape into Ford Focus Nissan Rogue into Nissan Sentra 1721 1434 850 1274 2327 3223 2329 1415 1470 2884 2058 3095 3386 4560

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