find the mode of the following table
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Answer:
Mode
class interval frequency
0-10 4
10-20 5
20-30 16
30-40 12
40-50 3
50-60 2
Maximum frequency =16
Modal class=20-30
Lower limit(L) =20
Class size(h)=10
Frequency of modal class(f1)=16
Frequency preceeding the class(f0) = 5
Frequency succeeding the class(f2)= 12
Mode = L+[f1-f0/2f1-f0-f2]×h
=20+[16-5/2×16-5-12]=20+11/15
=20+0.73
=20.73
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Mode =20.73