Calculate the median from the following data:

Marks below: 10 20 30 40 50 60 70 80

No. of students: 15 35 60 84 96 127 198 250

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Solution

First we prepare the following cummulative table to compute the median.

Here,

So,

Thus, the cumulative frequency just greater than 125 is 127 and the corresponding class is .

Therefore, is the median class.

Here,

We know that

Hence, the median is 59.35.

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Marks:	0-10	10-30	30-60	60-80	80-90
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Q. Calculate the median from the following data:

Marks below:	10	20	30	40	50	60	70	80
No. of students	$15$	$35$	$60$	$84$	$96$	$127$	$198$	$250$

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Calculate the median from the following data: Marks below: 10 20 30 40 50 60 70 80 No. of students: 15 35 60 84 96 127 198 250

First we prepare the following cummulative table to compute the median. Here, So, Thus, the cumulative frequency just greater than 125 is 127 and the corresponding class is . Therefore, is the median class. Here, We know that Hence, the median is 59.35.

Calculate the median from the following data:

Marks below: 10 20 30 40 50 60 70 80

No. of students: 15 35 60 84 96 127 198 250

First we prepare the following cummulative table to compute the median.

Here,

So,

Thus, the cumulative frequency just greater than 125 is 127 and the corresponding class is .

Therefore, is the median class.

Here,

We know that

Hence, the median is 59.35.