MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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In a graduate probability course, 7 students are enrolled. After midterm, the marks (out of 100) are: 62,82,74,76,86,92, 90.
(a) Find the five-summary statistics by hand, namely, find min, Q1, median, Q3 and Max with details.
(b) Find the standard deviation of the midterm result in this class with details.
(c) If an undergraduate also enroll in this course, but ended up with a low mark, say
lower than 40, taking his/her mark into account, how would this low mark will affect the mean and the standard deviation? Will it Increase or decrease the mean and standard deviation you found in part (a), (b)?

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