Introduction to Statistics Answers

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3

A visitor guide for a downtown area lists many restaurants. Which of the following is an example of a quantitative variable the guide could report for each restaurant?

A
the zip code of the restaurant
B
the number of seats in the restaurant
C
the type of cuisine the restaurant offers
D
a restaurant critic’s letter grade (A–F)
12

An airline uses many different types of airplanes. The table below shows some of the attributes of the different airplanes.What are the individuals in the data set?

Question illustration
A
planes
B
seats
C
seat widths
D
Wi-Fi connections
13

A student stands at the entrance of her school and notes the colors of cars that enter the parking lot. The results are shown in the bar graph below.

Question illustration
A
Car color is a discrete variable.
B
Car color is a categorical variable.
C
Car color is a continuous variable.
D
Frequency is a discrete variable.
14

A manager of a basketball team collects information on the profile and performance of the players on the team. Which of the following is an example of a continuous quantitative variable the manager might collect?

A
the height of each player
B
the position played by each player
C
the number of games played by each player
D
the number of foul shots made by each player
15

A visitor guide for a downtown area lists many restaurants. Which of the following is an example of a quantitative variable the guide could report for each restaurant?

A
the zip code of the restaurant
B
the number of seats in the restaurant
C
the type of cuisine the restaurant offers
D
a restaurant critic’s letter grade (A–F)
16

A large city offers many venues for watching a concert. A listing of concert venues for the city includes the following information: the number of seats, the age of the venue, the number of nearby parking spaces, and the location of the venue (inside or outside). What are the individuals in the data set?

A
concert venues
B
seats
C
ages of the venue
D
parking spaces
17

A veterinarian is visited by many pets and their owners each day. Before the doctor attends to each pet, an assistant records information including the type, age, weight, and height of each pet. Which of the variables is a categorical variable?

A
type
B
age
C
weight
D
height

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