Chapter 1, Problem 2E

(a)

To determine

To find: the individuals in this data set.

Answer to Problem 2E

6 roller coasters

Explanation of Solution

Given:

  

Individuals:

6 roller coasters in Amusement parks

(b)

To determine

To find: the variables and classify each as categorical or quantitative.

Answer to Problem 2E

Variables are Type, Height (ft), Design, Speed (mph), Duration (sec)

Type: Categorical

Height (ft): Quantitative

Design: Categorical

Duration: Quantitative

Explanation of Solution

Given:

  

Variables are Type, Height (ft), Design, Speed (mph), Duration (sec)

Type: Categorical, there are two type of category

Height (ft): Quantitative, because the heights have numerical values.

Design: Categorical, because there are two type of category sit down and inverted.

Duration: Quantitative, because time is numerical quantity and not possible to list out.