## RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency Ex 24.4

These Solutions are part of RD Sharma Class 9 Solutions. Here we have given RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency Ex 24.4

Other Exercises

- RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency Ex 24.1
- RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency Ex 24.2
- RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency Ex 24.3
- RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency Ex 24.4
- RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency VSAQS
- RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency MCQS

Question 1.

Find out the mode of the following marks obtained by 15 students in a class:

Marks : 4, 6, 5, 7, 9, 8, 10, 4, 7, 6, 5, 9, 8, 7, 7.

Solution:

Marks obtained are in ascending order,

4, 4, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 9, 9, 10

Here we see that 7 is the number which is maximum times i.e. 4 times

Mode = 7

Question 2.

Find the mode for the following data:

125, 175, 225, 125, 225, 175, 325, 125, 375, 225, 125

Solution:

Arranging in ascending order,

125, 125, 125, 125, 175, 175, 225, 225, 225, 325, 375

We see that, 125 is the number which is in maximum times

Mode = 125

Question 3.

Find the mode for the following series:

7.5, 7.3, 7.2, 7.2, 7.4, 7.7, 7.7, 7.5, 7.3, 7.2, 7.6, 7.2

Solution:

Arranging in ascending order,

7.2, 7.2, 7.2, 7.2, 7.3, 7.3, 7.4, 7.5, 7.5, 7.6, 7.7, 7.7

We see that 7.2 comes in maximum times

Mode = 7.2

Question 4.

Find the mode of the following data in each case:

(i) 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18

(ii) 7, 9, 12, 13, 7, 12, 15, 7, 12, 7, 25, 18, 7

Solution:

(i) 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18

Arranging in ascending order,

14, 14, 14,. 14, 17, 18, 18, 18, 22, 23, 25, 28

Here we see that 14 comes in maximum times

Mode = 14

(ii) 7, 9, 12, 13, 7, 12, 15, 7, 12, 7, 25, 18, 7

Arranging in order,

7, 7, 7, 7, 7, 9, 12, 12, 12, 13, 15, 18, 25

Here we see that 7 comes in maximum times

Mode = 7

Question 5.

The demand of different shirt sizes, as obtained by a survey, is given below:

Find the modal shirt sizes, as observed from the survey.

Solution:

From the given data

From above, we see that

Modal size is 39 as it has maximum times persons

Hope given RD Sharma Class 9 Solutions Chapter 24 Measures of Central Tendency Ex 24.4 are helpful to complete your math homework.

If you have any doubts, please comment below. Learn Insta try to provide online math tutoring for you.