calculate mode of the following distribution. marks 0-10 , 10-20,20-30,30-40,40-50 and frequency are 20,24,40,36,20 respectively
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Answered by
28
Answer:
28
Step-by-step explanation:
C.I. Frequency
0-10 20
10-20 24
20-30 40
30-40 36
40-50 20
Modal class: 20-30
l=20
f₀=24
f₁=40
f₂=36
h=10
Mode = l + [f₁-f₀/2*f₁-f₀-f₂] h
=20+[40-24/80-24-36]*10
=20+[16/20]*10
=20+16/2
=20+8
=28
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16
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