Question

find the median of the following :-

Marks. - No. of students
less than 10. 15
less than 20. 35
less than 30. 60
less than 40. 84
less than 50. 6
less than 60. 120
less than 70. 125.
​

Answer 1

10.15+20.35+30.60+40.84+50.6+60.120+70.125. = 282.785. Median is sum of by 2. So answer is 282.785/2. =141.3925