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The Practice of Statistics | 5th Edition | ISBN: 9781464108730 | Authors: Daren S. Starnes, Josh Tabor
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Which of the following is a categorical variable? (a) The weight of automobiles (b) The

Chapter 12, Problem AP4.7

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QUESTION:

Which of the following is a categorical variable? (a) The weight of automobiles (b) The time required to complete the Olympic marathon (c) The average gas mileage of a hybrid car (d) The brand of shampoo purchased by shoppers in a grocery store (e) The average closing price of a particular stock on the New York Stock Exchange AP4

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QUESTION:

Which of the following is a categorical variable? (a) The weight of automobiles (b) The time required to complete the Olympic marathon (c) The average gas mileage of a hybrid car (d) The brand of shampoo purchased by shoppers in a grocery store (e) The average closing price of a particular stock on the New York Stock Exchange AP4

ANSWER:

Step 1 of 2

a) Weights are in pounds which are not categories

b) Time is in seconds/minutes which is not a category

c) The average gas per mile for a hybrid car is in mpg which is not a category (well technically empg, but doesn't change the context)

d) There are only a limited number of brands for shampoo (Suave as an example). This is categorical.

e) The average closing price is in dollars and cents which is not a categorical variable

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