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Introductory Statistics Professor B. brego
 

Summary: Math 140
Introductory Statistics
Professor B. Ábrego
Lecture 5
Sections 2.2 and 2.3
Relative Frequency Histograms
The height of each bar is the proportion of values in that range.
(always a number between 0 and 1)
The sum of the heights of all the bars equals 1.
To change a regular histogram to a relative frequency histogram
just divide the frequency of each bar by the total number of
values in the data set.
0
0.05
0.1
0.15
0.2
0.25
15 20 25 30 35 40 45 50 55 60 65 70 75
Histograms (Relative Frequency)

  

Source: Abrego, Bernardo - Department of Mathematics, California State University, Northridge

 

Collections: Mathematics