AnswersPBCSD_Grade_Forgiveness_1207350_Mathematics_for_College_Liberal_Arts_S2_2023Introduction to Statistics

Introduction to Statistics Answers

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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
2
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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
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)
4

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
5

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
6

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
7

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)
8

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)
9

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. What are the individuals in the data set?

A
pets
B
types
C
weights
D
heights
10

A golf course has 18 holes. A guidebook provided to golfers includes useful information about each hole, as shown below.

Question illustration
A
holes
B
yards
C
bunkers
D
difficulty levels

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