Median of the following numbers : 4, 4, 5, 7, 6, 7, 7, 12, 3 is
a. 4
b. 5
c. 6
d. 7

Solution:

Let us arrange the given numbers in ascending order

3, 4, 4, 5, 6, 7, 7, 7 and 12

n = 9

As n here is odd, formula for median is

Median = [(n + 1)/2]th observation

Substituting the value

Median = [(9 + 1)/2]th observation

Median =(10/2)th observation

So we get

Median = 5th observation

Median = 6

Therefore, the median is 6.

✦ Try This: Median of the following numbers : 3, 3, 6, 8, 5, 8, 8, 10, 2 is

☛ Also Check: NCERT Solutions for Class 9 Maths Chapter 14

NCERT Exemplar Class 9 Maths Exercise 14.1 Problem 23

Median of the following numbers : 4, 4, 5, 7, 6, 7, 7, 12, 3 is a. 4, b. 5, c. 6, d. 7

Summary:

The value of the middle-most observation obtained after arranging the data in ascending order is called the median of the data. Median of the following numbers : 4, 4, 5, 7, 6, 7, 7, 12, 3 is 6

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