The weight of 50 students of a class are given in the table below. draw a less than type ogive for the data given below.. weight :- less than 35,40,45,50,55 .. number of students:6,15,31,41,50
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Answer:
Weight
(inkg) No.ofstudents
(f
i
) cf
0−38 0 0
38−40 3−0=3 3
40−42 5−3=2 5
42−44 9−5=4 9
44−46 14−9=5 14
46−48 28−14=14 28
48−50 32−28=4 32
50−52 35−32=3 35
∑f
i
=35
We know,
2
n
=17.5
∴ Median class =46−48
⇒ l=46cf=14,f=14 and h=40−38=2
Median=l+
f
2
n
−cf
×h
=46+
14
17.5−14
×2
=46+0.5
=46.5
Step-by-step explanation:
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