marks obtained by 70 students are given below

marks ---- 20 70 90 40 60 50 75

no. of ---- 8 12 5 12 6 18 9

students

FIND THE MEDIAN MARKS.

Question

marks obtained by 70 students are given below
marks ---- 20 70 90 40 60 50 75
no of ---- 8 12 5 12 6 18 9
students
FIND THE MEDIAN MARKS

Santosh Kumar · Accepted Answer

Marks xi No of students fi cf 20 70 90 40 60 50 75 8 12 5 12 6 18 9 8 20 25 37 43 61 70 $N = Σ f_{i} = 70$ $N = 70 \Rightarrow \frac{N}{2} = \frac{70}{2} = 35$ The cumulative frequency just greater than $\frac{N}{2}$ is 37 and the corresponding value of variable x is 40 âˆ´ Median = 40

marks obtained by 70 students are given below marks ---- 20 70 90 40 60 50 75 no. of ---- 8 12 5 12 6 18 9 students FIND THE MEDIAN MARKS.

marks obtained by 70 students are given below

marks ---- 20 70 90 40 60 50 75

no. of ---- 8 12 5 12 6 18 9

students

FIND THE MEDIAN MARKS.