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StatisticsStatistics for Business & Economics, Revised (MindTap Course List)The U.S. Department of Energy provides fuel economy information for a variety of motor vehicles. A sample of 10 automobiles is shown in Table 1.6 (Fuel Economy website , February 22, 2008). Data show the size of the automobile (compact, midsize, or large), the number of cylinders in the engine, the city driving miles per gallon, the highway driving miles per gallon, and the recommended fuel (diesel, premium, or regular). a. How many elements are in this data set? b. How many variables are in this data set? c. Which variables are categorical and which variables are quantitative? d. What type of measurement scale is used for each of the variables? TABLE 1.6 FUEL ECONOMY INFORMATION FOR 10 AUTOMOBILES Car Size Cylinders City MPG Highway MPG Fuel Audi A8 Large 12 13 19 Premium BMW 328Xi Compact 6 17 25 Premium Cadillac CTS Midsize 6 16 25 Regular Chrysler 300 Large 8 13 18 Premium Ford Focus Compact 4 24 33 Regular Hyundai Elantra Midsize 4 25 33 Regular Jeep Grand Cherokee Midsize 6 17 26 Diesel Pontiac G6 Compact 6 15 22 Regular Toyota Camry Midsize 4 21 31 Regular Volkswagen Jetta Compact 5 21 29 RegularBuyFind*arrow_forward*

12th Edition

David R. Anderson + 4 others

Publisher: South-Western College Pub

ISBN: 9781285846323

Chapter 1, Problem 2SE

Textbook Problem

The U.S. Department of Energy provides fuel economy information for a variety of motor vehicles. A sample of 10 automobiles is shown in Table 1.6 (Fuel Economy website*,* February 22, 2008). Data show the size of the automobile (compact, midsize, or large), the number of cylinders in the engine, the city driving miles per gallon, the highway driving miles per gallon, and the recommended fuel (diesel, premium, or regular).

a. How many elements are in this data set?

b. How many variables are in this data set?

c. Which variables are categorical and which variables are quantitative?

d. What type of measurement scale is used for each of the variables?

**TABLE 1.6** FUEL ECONOMY INFORMATION FOR 10 AUTOMOBILES

Car |
Size |
Cylinders |
City MPG |
Highway MPG |
Fuel |

Audi A8 | Large | 12 | 13 | 19 | Premium |

BMW 328Xi | Compact | 6 | 17 | 25 | Premium |

Cadillac CTS | Midsize | 6 | 16 | 25 | Regular |

Chrysler 300 | Large | 8 | 13 | 18 | Premium |

Ford Focus | Compact | 4 | 24 | 33 | Regular |

Hyundai Elantra | Midsize | 4 | 25 | 33 | Regular |

Jeep Grand Cherokee | Midsize | 6 | 17 | 26 | Diesel |

Pontiac G6 | Compact | 6 | 15 | 22 | Regular |

Toyota Camry | Midsize | 4 | 21 | 31 | Regular |

Volkswagen Jetta | Compact | 5 | 21 | 29 | Regular |

Statistics for Business & Economics, Revised (MindTap Course List)

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