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Draw a Histogram and Hence Estimate the Mode for the Following Frequency Distribution: - Mathematics

Sum

Draw a histogram and hence estimate the mode for the following frequency distribution: 

Class  0-5 5-10 10-15 15-20 20-25 25-30
Freq 0 7 18 10 8 5
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Solution

Histogram is as follows:

In the highest rectangle which represents modal class draw two lines AC and BD intersecting at E. 
From E, draw a perpendicular to x-axis meeting at L.
Value of L is the mode. Hence, mode = 13

Concept: Finding the Mode from the Histogram
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