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Find the median of the following data by making a less than gi

Question

Find the median of the following data by making a less than given:-
Marks No. of Students
0-10 5
10-20
3
20-30
4
30-40
3
40-50
3
50-60 4
60-70 7
70-80 9
80-90 7
90-100 8

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Camila Discussed

Find the median of the following data by making a less than given:-

Marks	No. of Students
0-10	5
10-20	3
20-30	4
30-40	3
40-50	3
50-60	4
60-70	7
70-80	9
80-90	7
90-100	8

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Text solutionVerified

Marks Cumulative frequency

Less than

10

5

Less than

20

8

Less than

30

12

Less than

40

15

Less than

50

18

Less than

60

22

Less than

70

29

Less than

80

38

Less than

90

45

Less than

100

53

Plot points:

(10, 5), (20, 8), (30, 12), (50, 18), (60, 22), (70, 29), (80, 38), (90, 45)

and

(100, 53)

to get the ' less than type' ogive as follows:

From frequency table,

N = 53

N /2 = 26.5

Mark

y = 26.5

y -

axis

Through

A

, draw a horizontal line meeting the curve at

P

Through

P

, a vertical line is drawn which meets

OX

M

OM = 68 u ni t s

Hence, median

= 68

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Question Text	Find the median of the following data by making a less than given:-
Answer Type	Text solution:1
Upvotes	150

Find the median of the following data by making a less than given:-MarksNo. of Students0-10510-20320-30430-40340-50350-60460-70770-80980-90790-1008

Text solutionVerified

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Find the median of the following data by making a less than given:-
Marks No. of Students
0-10 5
10-20
3
20-30
4
30-40
3
40-50
3
50-60 4
60-70 7
70-80 9
80-90 7
90-100 8