student notes the number of car passing through a spot on road for hundred period each three times and samast this in the table below number of Cos 0 to 10 10 to 20 20 to 30 30 to 40 40 to 50 50 to 60 60 to 70 70 to 80 frequencies 7 14 13 12 2011 15/8 find the mode of the data
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Answer:
formula
l+(f1-f0)/2f1-f0-f2*h
highest frequency f1=20
l=lower boundary of modal class(40-50)
precceding of modal class f0=12
succeding of modal class f2=11
size of class h=10
40+(20-12)/2*20-12-11*10
40+8/40-23*10
40+8/17*10
40+80/17
40+4.7=44.7
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