Find Mean :
Weight of kids (in Kg) 36-40 40-44 44-48 48-52 52-56 56-60 60-64 64-68
Number of Kids 2 3 5 8 7 6 5 4
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Mean=∑fi∑fixi=603312=55.2Mode=l+(2f1−f0−f2f1−f0)×h=52+(28−10−1014−10)×4=52+84×4=54Ans.
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