1.Fuel economy. Here is a small part of a data set that describes the fuel econo
ID: 3201775 • Letter: 1
Question
1.Fuel economy. Here is a small part of a data set that describes the fuel economy (in miles per gallon) of 2002 model motor vehicles: Transmission Number of Cty Highway Vehicle Make and Autoaa 31 Compact Midniae Automatic Dodne Raan 1500 Standard pickup truck (a) What are the individuals in this data set? (b) For each individual, what variables are given? Which of these variables are categorical and which are quantitative? 2.Armedical study. Data from a medical study contain values of many variables for each of the people who were the subjects of the study. Which of the following variables are categorical and which are quantitative? (a) Gender (female or male) (b) Age (years) (d) Smoker (yes or no (e) systolic blood pressure (millimeters of mercury) (f Level of calcium in the blood (micrograms per milliliter)
Explanation / Answer
1.a) individuals in the data set=2002 model motor vehicles
b) variables are
Make and Model :Categorical
Vehicle Type: Categorical
Transmission Type : Categorical
Number of Cylinders: Quantitative
City MPG: Quantitative
Highway MPG: Quantitative
2.a) Gender: Categorical
Age: Quantitative
Race: Categorical
Smoker: Categorical
Systolic Blood Pressure: Quantitative
Level of Calciumin the blood: Quantitative
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