1.150 points) The following table presents the highway gasoline mileage performance and engine…
1.150 points) The following table presents the highway gasoline mileage performance and engine displacement for DaimlerChrysler vehicles for model year 2005 (US Environmental Protection Agency) Carline Engine Replacement (in) MPG (highway 215 303 300C SRT-8 CARAVAN 2WD 201 325 196 35.4 226 28.1 326 348 24.1 CROSSFIRE ROADSTER DAKOTA PICKUP 2WD DAKOTA PICKUP 4WD DURANGO 2WD GRAND CHEROKEE 2WD GRAND CHEROKEE 4WD LIBERTY CHEROKEE 2WD LIBERTY CHEROKEE 4WD NEON SRT-4 SX 20 226 28.5 348 148 328 226 28 122 413 215 30 PACIFICA 2WD PACIFICA AWD 215 282 PT CRUISER 148 341 500 18.7 RAM 1500 PICKUP 2WD RAM 1500 PICKUP 4WD SEBRING 4-DR 34 203 165 35.1 STRATUS 4-DR 148 379 148 33.8 TOWN & COUNTRY 2WD VIPER CONVERTIBLE WRANGLER TI 4WD 500 25.9 148 264 (a) Fit a simple linear model relating highway miles per gallon () to engine displacement) in cubic inches using least squares (b) Find an estimate of the mean highway gasoline mileage performance for a car with 150 cubic inches engine displacement (e) Obtain the fined value of y and the corresponding residual for a car, the Neon, with an cagine displacement of 122 cubic inches (d) Test for significance of regression using a -0.01. Find the value for this test. What conclusions can you reach? (e) Test H. – -0.05 versus H:A<-0.05 using="" &="" -0.01="" and="" draw="" conclusions.="" what="" is="" the="" p-value="" for="" this="" test?="" (n)="" find="" a="" 95%="" confidence="" interval="" on="" the="" slope.="" (e)="" find="" a="" 95%="" confidence="" interval="" on="" the="" intercept="" th)="" find="" a="" 95%="" confidence="" interval="" on="" mean="" highway="" gasoline="" mileage="" when="" the="" engine="" displacement="" is="" 150="" in="" construct="" a="" 95%="" prediction="" interval="" on="" highway="" gasoline="" mileage="" when="" the="" engine="" displacement="" is="" 150=""> May 16 2022 05:46 PM
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