Homework Help is Here – Start Your Trial Now!
Math
Statistics
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 16. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 68 and 132​? ​(b) What percentage of people has an IQ score less than 84 or greater than 116​? ​(c) What percentage of people has an IQ score greater than 148​?

Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 16. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 68 and 132​? ​(b) What percentage of people has an IQ score less than 84 or greater than 116​? ​(c) What percentage of people has an IQ score greater than 148​?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
Scores of an IQ test have a​ bell-shaped distribution with a mean of
100
and a standard deviation of
16.
Use the empirical rule to determine the following.
​(a) What percentage of people has an IQ score between
68
and
132​?
​(b) What percentage of people has an IQ score less than
84
or greater than
116​?
​(c) What percentage of people has an IQ score greater than
148​?
also the 2 other questions thanks so for advances 
 
 
 
**Find the sample variance and standard deviation.** Data: 6, 47, 14, 48, 32, 26, 29, 27, 26, 32 --- **Choose the correct answer below. Fill in the answer box to complete your choice.** (Round to two decimal places as needed.) - **A.** \( s^2 = \) [ ] - **B.** \( \sigma^2 = \) [ ]
Transcribed Image Text:**Find the sample variance and standard deviation.** Data: 6, 47, 14, 48, 32, 26, 29, 27, 26, 32 --- **Choose the correct answer below. Fill in the answer box to complete your choice.** (Round to two decimal places as needed.) - **A.** \( s^2 = \) [ ] - **B.** \( \sigma^2 = \) [ ]
An insurance company crashed four cars in succession at 5 miles per hour. The cost of repair for each of the four crashes was $411, $470, $413, $230. Compute the range, sample variance, and sample standard deviation cost of repair. --- The range is $[box].
Transcribed Image Text:An insurance company crashed four cars in succession at 5 miles per hour. The cost of repair for each of the four crashes was $411, $470, $413, $230. Compute the range, sample variance, and sample standard deviation cost of repair. --- The range is $[box].
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
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
SEE MORE TEXTBOOKS