Question

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

A 4-column table with 6 rows. Column 1 is labeled hole number with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled yards with entries 312, 530, 147, 350, 410, 185. Column 3 is labeled bunkers with entries 2, 5, 1, 0, 2, 1. Column 4 is labeled difficulty level with entries moderate, moderate, easy, moderate, hard, moderate.

What are the individuals in this data set?

holes
yards
bunkers
difficulty levels
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?

the gender of each shopper
the shopper’s use of coupons
the number of items for each shopper
the time each shopper spends completing the transaction
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?

the height of each player
the position played by each player
the number of games played by each player
the number of foul shots made by each player
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?

number of seats
type of transmission
presence of a sunroof
fuel efficiency (in mpg)
An airline uses many different types of airplanes. The table below shows some of the attributes of the different airplanes.

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.

What are the individuals in the data set?

planes
seats
seat widths
Wi-Fi connections

Answer 1

1) Golf course table — individuals: holes.
(Each row describes a hole.)

2) Self-checkout — discrete quantitative variable: the number of items for each shopper.
(Counts are discrete.)

3) Basketball team — continuous quantitative variable: the height of each player.
(Height is measured on a continuous scale.)

4) Car brochures — discrete quantitative variable: number of seats.
(Seats are counted; other options are categorical or continuous.)

5) Airplanes table — individuals: planes.
(Each row describes a plane model.)