8. Corvette, Ferrari, and Jaguar produced a variety of classic cars that continue to increase invalue. The following data, based upon the Martin Rating System for Collectible Cars, showthe rarity rating (1–20) and the high price ($1000) for 15 classic cars. YearMakeModelRatingPrice ($1000)1984ChevroletCorvette181600.0Corvette 265/225-hpCorvette coupe (340-bhp 4-speed)Corvette coupe Silver Anniversary1956Chevrolet194000.0ChevroletChevrolet1963181000.01978191300.0Ferrari1960–19631962–19641962250 GTE 2+216350.0Ferrari250 GTL Lusso192650.0DATA fileFerrari250 GTO18375.0275 GTB/4 NART Spyder365 GTB/4 DaytonaE-type OTSE-type Series II OTSE-type Series III OTSXK 120 roadster (steel)XK C-type1967–19681968–1973ClassicCarsFerrari17450.0Ferrari17140.01962–19671969–197177.5JaguarJaguarJaguarJaguarJaguarJaguar151462.01971–197416125.01951–195417400.01950–195316250.01956–1957XKSS1370.0Develop a scatter diagram of the data using the rarity rating as the independent vari-able and price as the independent variable. Does a simple linear regression modelappear to be appropriate?b. Develop an estimated multiple regression equation with x = rarity rating and x as thetwo independent variables.Consider the nonlinear relationship shown by equation (16.7). Use logarithms todevelop an estimated regression equation for this model.d. Do you prefer the estimated regression equation developed in part (b) or part (c)? Explain.а.с.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The Condé Nast Traveler Gold List for 2012 provided ratings for the top 20 small cruise ships.† The data shown below are the scores each ship received based upon the results from Condé Nast Traveler's Annual Readers' Choice Survey. Each score represents the percentage of respondents who rated a ship as excellent or very good on several criteria, including Itineraries/Schedule, Shore Excursions, and Food/Dining. An overall score was also reported and used to rank the ships. The highest ranked ship, the Seabourn Odyssey, has an overall score of 94.4, the highest component of which is 97.8 for Food/Dining. Ship Overall Itineraries/Schedule ShoreExcursions Food/Dining Seabourn Odyssey 94.4 94.6 90.9 97.8 Seabourn Pride 93.0 96.7 84.2 96.7 National Geographic Endeavor 92.9 100.0 100.0 88.5 Seabourn Sojourn 91.3 88.6 94.8 97.1 Paul Gauguin 90.5 95.1 87.9 91.2 Seabourn Legend 90.3 92.5 82.1 98.8 Seabourn Spirit 90.2 96.0 86.3 92.0 Silver Explorer 89.9 92.6 92.6 88.9…
The national center for educational statistics reported that in 2008-2009, 178,564 master's degrees in education were awarded in the United States, and that this represented 27% of all master's degrees awarded. How many master's degrees were awarded in 2008-2009?
The price drivers pay for gasoline often varies a great deal across regions throughout the United States. The following data show the price per gallon for regular gasoline for a random sample of gasoline service stations for three major brands of gasoline (Shell, BP, and Marathon) located in eleven metropolitan areas across the upper Midwest region (OhioGasPrices.com website, March 18, 2012). Click on the datafile logo to reference the data. DATA file Shell BP Metropolitan Area Marathon Akron, Ohio Cincinnati, Ohio Cleveland, Ohio Columbus, Ohio Ft. Wayne, Indiana Indianapolis, Indiana Lansing, Michigan Lexington, Kentucky Louisville, Kentucky Muncie, Indiana Toledo, Ohio 3.77 3.72 3.87 3.76 3.78 3.87 3.89 3.79 3.83 3.83 3.85 3.77 3.83 3.85 3.93 3.84 3.84 4.04 3.87 3.87 3.99 3.79 3.78 3.81 3.69 3.78 3.84 3.84 3.83 3.79 3.79 3.86 3.86 Use a = .05 to test for any significant difference in the mean price of gasoline for the three brands. Round SS to 6 decimals, MS to 6 decimals, F to 2…
A sales manager collected the following data on annual sales and years of experience. Annual Sales ($1000s) 80 Salesperson Years of Experience 1 1 4 102 3 6 103 4 10 119 5 13 136
Many countries, especially those in Europe, have significant gold holdings. But many of these countries also have massive debts. The following data show the total value of gold holdings in billions of U.S. dollars and the debt as a percentage of the gross domestic product for nine countries (WordPress and Trading Economics websites, February 24, 2012). Click on the datafile logo to reference the data. Country Gold Value Debt China 63 17.7 France 146 81.7 Germany 203 83.2 Indonesia 33 69.2 Italy 147 119 Netherlands 36 63.7 Russia 50 9.9 Switzerland 62 55 U.S. 487 93.2 Using the entire data set, develop the estimated regression equation that can be used to predict the debt of a country given the total value of its gold holdings. y^ = (to 4 decimals) (to 4 decimals) Gold Value Suppose that after looking at the scatter diagram in part (a) that you were able to visually identify what appears to be an…
In a sample of 600 college students, 87.2% said they graduated from high school. How many of the students graduated from high school?
Please answer in detail
Abdomen data: 83.0, 87.9, 85.2, 88.6, 77.1, 85.3, 100.0, 94.4, 81.9, 88.5, 82.5, 100.5, 76.5, 86.4, 90.7, 83.6, 106.8, 77.6, 102.9, 90.9, 79.7, 73.9, 79.1, 72.8, 88.2, 100.1, 89.6, 95.9, 98.8, 76.3, 83.5 105.0, 90.8, 83.5, 84.5 101.8, 76.6, 76.4, 88.7, 92.4, 81.2, 91.6, 97.5, 80.0, 88.7, 100.5, 95.6, 92.1, 96.4, 74.6, 83.4, 106.0, 96.4, 92.8, 95.1, 90.4, 100.4, 115.9, 90.8, 81.9, 75.0, 90.3, 90.3, 108.8, 79.4, 83.2, 110.3, 91.6, 92.7, 76.0, 79.5, 86.1, 104.5, 104.6 Assume that the abdomen circumference of males have a distribution that isapproximately bell-shaped. Using the mean (= 89.7) and standard deviation (=9.9) as estimates of the population mean and standard deviation, a. Construct a diagram, using the Empirical Rule, to illustrate the percentagesof data values in each of the 8 sections that diagram includes.b. Between what two measurements will about 95% of the abdomencircumferences fall?
A hospital report indicates 25% of its patients had an MRI in January. If 1,060 patients were hospitalized in January, how many had an MRI?

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Corvette, Ferrari, and Jaguar produced a variety of classic cars that continue to increase in value. The following data, based upon the Martin Rating System for Collectible Cars, show