Question

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?

number of seats
age of the venue
number of parking spaces
location (inside/outside)
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?

type of engine used
number of guest rooms
average speed in the ocean
number of restaurants on the ship
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.

A 5-column table with 5 rows. Column 1 is labeled Title with entries The Davis Family, Hill House, Danger Zone, Mixed Bag, Closure. Column 2 is labeled Movie Type with entries comedy, drama, drama, comedy, drama. Column 3 is labeled length (minutes) with entries 92, 87, 123, 91, 100. Column 4 is labeled Critics' score with entries 78.2, 45.7, 56.0, 71.8, 67.2. Column 5 is labeled audience with entries adult, youth, adult, youth, adult.

What are the individuals in the data set?

movie titles
movie types
lengths
critics’ scores
An airline uses many different types of airplanes. Information regarding some of the airplanes is given in the table below.

A 5-column table with 5 rows. Column 1 is labeled Plane with entries SkyBus 280, SkyBus 580, Grigson A-2, Grigson A-5, SkyDancer. Column 2 is labeled Number of seats with entries 120, 225, 70, 130, 350. Column 3 is labeled Seat width (inches) with entries 20.3, 20.6, 19.9, 20.5, 20.2. Column 4 is labeled Wi-fi with entries no, yes, no, yes, yes. Column 5 is labeled first-class seats question mark with entries no, yes, no, no, yes.

Which of the variables is a continuous variable?

number of seats
seat width
Wi-Fi
first-class
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?

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

Answer 1

1) Categorical variable: location (inside/outside)

2) Continuous quantitative variable: average speed in the ocean

3) Individuals in the movie data set: the movie titles (the movies themselves)

4) Continuous variable (airplane table): seat width

5) Quantitative variable for restaurants: the number of seats in the restaurant