Users.metu.edu.tr
Dr. Özlem İLK
Spring 2008-2009
STAT 356 HOMEWORK 2
Due 6, April, 2009, Monday, 17:00 (please give your solutions to Tuğba Erdem)
This homework includes 1 question on 2 pages. You are required to do your homework alone. Please come see me or Tuğba if you have questions.
Question:
The following data set provides specifications for 93 new car models for the 1993 year. Cars were selected at random from among 1993 passenger car models that were listed in both the “Consumer Reports issue” and the “PACE Buying Guide”. The data set contains 26 variables on 93 cars. These 26 variables are:
Line 1
Column Description
1 Manufacturer
2 Model
3 Type: Small, Sporty, Compact, Midsize, Large - as defined in the _Consumer Reports_ article
4 Minimum Price (in $1,000) - Price for basic version of this model
5 Midrange Price (in $1,000) - Average of Min and Max prices
6 Maximum Price (in $1,000) - Price for a premium version
7 City MPG (miles per gallon by EPA rating)
8 Highway MPG
9 Air Bags standard
0 = none, 1 = driver only, 2 = driver & passenger
10 Drive train type
0 = rear wheel drive, 1 = front wheel drive, 2 = all wheel drive
11 Number of cylinders
12 Engine size (liters)
13 Horsepower (maximum)
14 RPM (revs per minute at maximum horsepower)
Line 2
Columns
3 Engine revolutions per mile (in highest gear)
4 Manual transmission available 0 = No, 1 = Yes
5 Fuel tank capacity (gallons)
6 Passenger capacity (persons)
7 Length (inches)
8 Wheelbase (inches)
9 Width (inches)
10 U-turn space (feet)
11 Rear seat room (inches)
12 Luggage capacity (cu. ft.)
13 Weight (pounds)
14 Domestic? 0 = non-U.S. manufacturer, 1 = U.S. manufacturer
A small portion of the data is shown below.
|Acura |Integra |Small |
| | | |
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