Find the median for the following frequency distribution table:

Class-intervals

0 - 5

5 -10

10 - 15

15 - 20

20 - 25

25 - 30

Frequency

5

3

9

10

8

5

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Solution

We first draw the cumulative frequency table for the given data as:

Now, we have.

Thus, (15−20) is the median class.

We also have .

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Class-Interval	0−5	5−10	10−15	15−20	20−25	25−30	30−35	35−40
Frequency	5	7	15	18	16	9	6	3

Class Interval	0−5	5−10	10−15	15−20	20−25	25−30
Frequency	20	24	32	28	20	26

Find the median for the following frequency distribution table:

Class Intervals	110 - 119	120 - 129	130 - 139	140 - 149	150 - 159	160 - 169
Frequency	6	8	15	10	6	5

Class	0-5	5-10	10-15	15-20	20-25
Frequency	10	15	12	20	9

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Class-intervals	0 - 5	5 -10	10 - 15	15 - 20	20 - 25	25 - 30
Frequency	5	3	9	10	8	5