Math, asked by christybinson, 10 months ago

please find the medien for this

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Answers

Answered by gayatribaviskar979
4
Here is your answer.....

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Answered by siddhartharao77
3

Step-by-step explanation:

Class Interval          Frequency        C.F

5 - 10                              2                   2

10 - 15                            12                  14

15 - 20                           2                    16

20 - 25                          4                    20

25 - 30                          3                    23

30 - 35                          4                    27

35 - 40                          3                    30.

                                    ---

                                    30.

Here,

n = 30 and hence n/2 = 15.

So, median class is 15 - 20 with cumulative frequency = 16.

l = 15, n = 30, cf = 14, f = 2 and h = 5.

Now,

Let x = (n/2 - cf)

        = (15 - 14)

        = 1.

∴ Median = l + (x/f) * h

                = 15 + (1/2) * 5

                = 15 + 5/2

                = 35/2

                = 17.5

             

Therefore, median = 17.5

Hope it helps!

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