Statisticsmedium · Past Paper
In a histogram, the area of a bar is 20 sq units. If the width (class interval) is 5, what is the frequency?
A4
B5
C20
D100
✓ Correct Answer: A — 4
Area = width * height. In histograms, height represents frequency (if widths are same). Height = 20 / 5 = 4.
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