Question

Find the mode of the distribution given by drawing a histogram
Marks
26 - 30
31 - 35
36 - 40
41 - 45
Frequency
18
10
5
1​

Answer 1

Step-by-step explanation:

Solution



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⇒  Here, maximum frequency is 20.

∴  Modal class =20−30

So, l=20,f0=12,f1=20,f2=10 and h=10

⇒  Mode=l+2f1−f0−f2f1−f0×h

                  =20+2×20−12−1020−12×10

                  =20+188×10

                  =20+4.44

                  =24.44

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