Q3. Consider the following exam scores of all students in a class. 39, 15, 27, 21, 33, 24, 18, 36, 42, 30 (a) Obtain Variance and Standard deviation of exam scores. (b) Draw a box-and-whisker plot of exam scores and comment on you plot. (c) Find an interval so that exam scores will fall within two standar
Q3. Consider the following exam scores of all students in a class. 39, 15, 27, 21, 33, 24, 18, 36, 42, 30 (a) Obtain Variance and Standard deviation of exam scores. (b) Draw a box-and-whisker plot of exam scores and comment on you plot. (c) Find an interval so that exam scores will fall within two standar
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please answer the last two parts of the question.
![Q3. Consider the following exam scores of all students in a class.
39, 15, 27, 21, 33, 24, 18, 36, 42, 30
(a) Obtain Variance and Standard deviation of exam scores.
(b) Draw a box-and-whisker plot of exam scores and comment on your
plot.
(c) Find an interval so that exam scores will fall within two standard
deviations of the mean. Using an appropriate rule, mention the
percentage of scores that this interval contains.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb7d92622-64c1-4146-aabc-9ef45236de54%2F21029ce0-7d23-45b4-8257-ba71e3047f76%2Fvi53d9_processed.png&w=3840&q=75)
Transcribed Image Text:Q3. Consider the following exam scores of all students in a class.
39, 15, 27, 21, 33, 24, 18, 36, 42, 30
(a) Obtain Variance and Standard deviation of exam scores.
(b) Draw a box-and-whisker plot of exam scores and comment on your
plot.
(c) Find an interval so that exam scores will fall within two standard
deviations of the mean. Using an appropriate rule, mention the
percentage of scores that this interval contains.
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