Concept explainers
(a)
To find: the individuals described by the data.
(a)
Answer to Problem 4E
The individuals as 5 new roller coasters that were opened in 2009
Explanation of Solution
Given:
Roller coaster | type | height | design | speed | duration |
Wild mouse | Steel | 49.3 | Sit down | 28 | 70 |
Terminator | wood | 95 | Sit down | 50.1 | 180 |
Manta | Steel | 140 | flying | 56 | 155 |
Prowler | Wood | 102.3 | Sit down | 51.2 | 150 |
Diamondback | steel | 230 | Sit down | 80 | 180 |
From the given information, the individuals as 5 new roller coasters that were opened in 2009.\
(b)
To identify: the quantitative variables, and the units measured.
(b)
Answer to Problem 4E
Three variables are quantitative i.e. Height, speed and duration and their measurement units are feet, meters per hour and seconds respectively.
Explanation of Solution
Five variables are measured here that describes the new roller coasters that were opened in
2009. The variables, their group and their measurement units are below.
s.no | Name of the variable | group | Measurement unit |
1 | Type | categorical | Steel or wood |
2 | Height | quantitative | feet |
3 | Design | categorical | Sit down or flying |
4 | Speed | quantitative | Meters per hour |
5 | Duration | categorical | seconds |
Thus from the above table we found that out of five, three variables are quantitative i.e. Height, speed and duration and their measurement units are feet, meters per hour and seconds respectively.
(c)
To describe: the highlighted individual in the row
(c)
Answer to Problem 4E
The individual in highlighted row is a prowler roller coaster made up of wood, with height of 102.3 feet,
Explanation of Solution
The individual in highlighted row a prowler roller coaster made up of wood, with height of 102.3 feet, having sit-down design, and can move at the speed of 51.2 meters per second and takes for 180 seconds.
Chapter 1 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
Elementary Statistics (13th Edition)
Statistics for Psychology
Introductory Statistics (2nd Edition)
Fundamentals of Statistics (5th Edition)
Introductory Statistics (10th Edition)
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