Grade 10 Quiz

What is the mean age of the students?

• 19.1

• 18.4

• 18.9

• 20.3

What is the median age of the students?

• 19

• 18.5

• 19.5

• 20

What is the mode of the students' ages?

• 17

• 23

• 24

• 20

Calculate the first quartile (Q1) of the ages.

• 16

• 17.5

• 18

• 19

Calculate the second quartile (Q2) (which is also the median) of the ages.

• 19

• 18.5

• 20

• 18

Calculate the third quartile (Q3) of the ages.

• 24

• 23.5

• 22

• 25

What is the first decile (D1) of the students' ages?

• 13

• 14

• 15

• 16

What is the second decile (D2) of the students' ages?

• 15

• 16.5

• 18

• 17

What is the third decile (D3) of the students' ages?

• 17

• 18

• 19

• 16

What is the fourth decile (D4) of the students' ages?

• 18

• 19

• 21

• 20