In a recent study on world happiness, participants were asked to evaluate their current lives on a decimal scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The mean response was 5.5 with a standard deviation of 2.5. Assume the distribution can be approximated by a normal distribution. (a) What response represents the 92nd percentile? (b) What response represents the 60th percentile? (c) What response represents the first quartile?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
In a recent study on world happiness, participants were asked to evaluate their current lives on a decimal scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The mean response
was 5.5 with a standard deviation of 2.5. Assume the distribution can be approximated by a normal distribution.
(a) What response represents the 92nd percentile?
(b) What response represents the 60th percentile?
(c) What response represents the first quartile?
Transcribed Image Text:In a recent study on world happiness, participants were asked to evaluate their current lives on a decimal scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The mean response was 5.5 with a standard deviation of 2.5. Assume the distribution can be approximated by a normal distribution. (a) What response represents the 92nd percentile? (b) What response represents the 60th percentile? (c) What response represents the first quartile?
Expert Solution
steps

Step by step

Solved in 5 steps with 9 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman