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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