Created by Elliot O'Leary
over 9 years ago


Question  Answer 
What is a HISTOGRAM? 
Image:
histogram (image/jpg)

What does the AREA of each BAR represent?  the FREQUENCY of the bar 
What does the HEIGHT of each BAR represent?  the FREQUENCY DENSITY of the bar 
How do you work out the FREQUENCY DENSITY? 
Image:
histogram_fd (image/jpg)

What is the MEDIAN on a histogram?  the value where the AREA on both sides is EQUAL 
What is the Lower Quartile (LQ) on a histogram?  the value that splits the area into the ratio 1:3 
What is the Upper Quartile (UQ) on a histogram?  the value that splits the area into the ratio 3:1 
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