CBSE · Class 6-10

Back to chapter

Practice Test · Class 9

Statistics

10 questions randomised from the chapter. Type each final answer and submit to see your score.

00:00

0/10 attempted

01

Mean of

4, 6, 8, 10, 12

.

02

Range of

12, 25, 18, 45, 30

.

03

Number of observations if sum is

150

and mean is

10

.

04

Class mark of

10-20

.

05

Median of

12, 15, 18, 20, 22, 25, 27

.

06

Mean of first

10

natural numbers.

07

Mode of

4, 5, 4, 6, 4, 7, 5

.

08

Combined mean if

5

obs. avg

18

and

4

obs. avg

15

.

09

Range of

10, 25, 12, 8

.

10

Median of

6, 8, 10, 12, 14, 16

.