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Question

What is the median for the following data?

x
24
46
68
810
1012
frequency
1
3
2
4
10

A
6
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B
6.5
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C
7
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D
7.5
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Solution

The correct option is C 7

X

Frequency

Cumulative frequency(position)

24

1

1

46

3

4

68

2

6

810

4

10

1012

10

20

Sum of frequency =20
Sum of frequency is even. So, Median is
Average of (n2)&(n2+1)positionn2=202=10202+1=1110thposition=411thposition=10Average=4+102=7Ans

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