ast class are given to you). The use the on this campus.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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4. The age distribution of students at a community college is given below:
Age (years)
Number of students Midpoint
Probability
Under 21
140
18.5
21-25
26-30
31-35
Over 35
42.5
09
Total
008
Find the midpoint of each class, (18.5 for the first class and 42.5 for the last class are given to you). The use the
midpoint to:
a. Compute the expected age for a community college student on this campus.
Ans.
b. Determine the standard deviation for this population.
Ans.
II
Transcribed Image Text:4. The age distribution of students at a community college is given below: Age (years) Number of students Midpoint Probability Under 21 140 18.5 21-25 26-30 31-35 Over 35 42.5 09 Total 008 Find the midpoint of each class, (18.5 for the first class and 42.5 for the last class are given to you). The use the midpoint to: a. Compute the expected age for a community college student on this campus. Ans. b. Determine the standard deviation for this population. Ans. II
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