AnswersSC-Statistical Modeling SDPCIntroduction to Statistics

Introduction to Statistics Answers

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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
2
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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
3

A tourist guide for a state provides information on summer vacation towns. Some of the towns and related information are given in the table.Which of the variables is a discrete quantitative variable?

Question illustration
A
average temperature
B
number of hotels
C
beach access
D
location
4

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)
5

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
6

Many people enjoy taking cruises for their vacations. Each cruise ship has different options and features. Which of the following is an example of a continuous quantitative variable that might be reported about each cruise ship?

A
type of engine used
B
number of guest rooms
C
average speed in the ocean
D
number of restaurants on the ship
7

A family visits a car show to research information on vehicles they might consider purchasing. Brochures for each vehicle provide helpful information for the vehicle. Which of the following is an example of a discrete quantitative variable that might be included in the brochure?

A
number of seats
B
type of transmission
C
presence of a sunroof
D
fuel efficiency (in mpg)
8

Auto racing is a sport enjoyed by many people. In each race, there may be up to 25 cars on the racetrack. Which of the following is NOT an example of a quantitative variable you might use to describe a car in a race?

A
the brand of car
B
the number of tires used
C
the number of laps completed
D
the average speed (in mpg)
9

A movie theater offers many movie selections for its customers. The table below shows a summary of five movies currently offered and whether the movie is appropriate for children.What are the individuals in the data set?

Question illustration
A
movie titles
B
movie types
C
lengths
D
critics’ scores
10

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). Which of the following is a categorical variable?

A
number of seats
B
age of the venue
C
number of parking spaces
D
location (inside/outside)
11

A manager of a grocery store collects data on each shopper who uses the self-checkout lanes on a Saturday morning. Which of the following is an example of a discrete quantitative variable that might be recorded in this setting?

A
the gender of each shopper
B
the shopper’s use of coupons
C
the number of items for each shopper
D
the time each shopper spends completing the transaction
12

An airline uses many different types of airplanes. Information regarding some of the airplanes is given in the table below.Which of the variables is a continuous variable?

Question illustration
A
number of seats
B
seat width
C
Wi-Fi
D
first-class

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