30th percentile -
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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Question

Transcribed Image Text:Next let's find the 30th percentile. To do this, we first need to find the width of a new rectangle with the
same height, and an area of 0.3. The area to the left of the dotted red line is 0.3. The a value there is the
30th percentile.
436789 10 11 12 13 14 IS 16 17 18
So W. H = Area tells us that W.
12
0.3.
Thus W = 3.6
(round to one decimal)
Finally, we add the new width to the left hand value of the distribution (5) to get:
30th percentile -
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