Question

find the median of the following distribution. Obtained marks:- 20-29-28-34-42-38-43-25. Number of students:- 5-28-24-15-2-5-1-20​

Answer 1

Step-by-step explanation:

this is the answer of this questiin

Answer 2

GIVEN :

Given data arranged in increasing order is ,

No-MO - NoS

1 - 20 - 5

2 - 25 - 20

3 - 28 - 24

4 - 29 - 28

5 - 34 - 15

6 - 38 - 5

7 - 42 - 2

8 - 43 - 1

Where , No - serial Number,

NoS - number of students

MO - marks obtained

TO FIND :

Median of the given data

SOLUTION :

◆We know,

Median is the number that is in halfway of the set.

◆For that , write the data given in increasing order

◆Median of an even number is mean of both numbers that is in the middle of set.

◆Here,

Median = (4th + 5th observation )/2

ANSWER :

Median = (28 + 29)/2 = 28.5.