How can I create a histogram when the only data I have is the percentage of 16 year olds who used marijuana from 20 European countries?
How can I create a histogram when the only data I have is the percentage of 16 year olds who used marijuana from 20 European countries?
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
How can I create a histogram when the only data I have is the percentage of 16 year olds who used marijuana from 20 European countries?
Expert Solution
Step 1
To construct the histogram, the first thing is to determine the number of class intervals. There is no hard and fast rule for determing so. Let's suppose we choose 5 class intervals. The next thing is to determine, the width of the class interval using the below formula
Step 2
Once we found the width of the class interval, we can have five class intervals ready. For example:
Class interval
0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
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