Question

class frequency
0-20 6
20-40 8
40-60 10
60-80 x
80-100 6
100-120 5

mode = 65
find x​

Answer 1

mode=l+(f1-f0)/2f1-f0-f2multiply by h

find this method

Answer 2

Volume of cubiod=60000litres=60m3

1000litres=1m3

lbh=10×4×h=6

height=4060=1.5m

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