Scores on the Wechsler IQ scale for the 20-34 age group are normally distributed with a mean score of 110 and a standard deviation of 25. 1. Draw and label a normal distribution curve using this data.

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
Scores on the Wechsler IQ scale for the 20-34 age group are normally distributed with a mean score of 110
and a standard deviation of 25.
1. Draw and label a normal distribution curve using this data.
Use the normal curve you created to answer the following questions. Put your final answers in the column on
the right, but be sure to show your work in the column on the left!
2. About what percent of the people in this age group have scores
above 110?
3. About what percent of the people in this age group have scores
above 160?
4. In what range do the middle 95% of all IQ scores lie in this age
group?
5. About what percent of the people in this age group have scores
between 110 and 135?
6. About what percent of the people in this age group have scores
below 135?
7. About what percent of the people have at least a score of 85?
8. About what percent of the people have at most a score of 60?
2.
3.
4.
5.
6.
7.
8.
Transcribed Image Text:Scores on the Wechsler IQ scale for the 20-34 age group are normally distributed with a mean score of 110 and a standard deviation of 25. 1. Draw and label a normal distribution curve using this data. Use the normal curve you created to answer the following questions. Put your final answers in the column on the right, but be sure to show your work in the column on the left! 2. About what percent of the people in this age group have scores above 110? 3. About what percent of the people in this age group have scores above 160? 4. In what range do the middle 95% of all IQ scores lie in this age group? 5. About what percent of the people in this age group have scores between 110 and 135? 6. About what percent of the people in this age group have scores below 135? 7. About what percent of the people have at least a score of 85? 8. About what percent of the people have at most a score of 60? 2. 3. 4. 5. 6. 7. 8.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 5 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