9-1 Part 2: Quartiles and IQR

33, 25, 42, 25, 31, 37, 46, 29, 38

What is the third quartile (Q3) of the data?

• 37

• 38

• 40

• 46

Find the lower quartile (Q1) of the following set of scores: 12, 9, 4, 6, 5, 8, 9, 4, 10, 2

• 10

• 4

• 9

• 6

Given the data: 136, 150, 119, 150, 125, 143.

Find the upper quartile (Q3)

• 125

• 150

• 139.5

• 143

What is the value of Q3?

1, 3, 4, 5, 6, 8, 11, 13, 17

• 4

• 11

• 3.5

• 12

Find the IQR of following test grades:

100 80 70 90 100

• 30

• 20

• 25

• 15

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What value is the lower quartile?

• 66
• 58
• 60
• 64

Tags

CCSS.3.MD.B.4

Given the data: 136, 150, 119, 150, 125, 140.

Find the upper quartile (Q3).

• 125

• 150

• 139.5

• 143

Find the lower quartile (Q1) of the following set of scores 6, 7, 8, 9, 11, 13, 15

• 13

• 7

• 9

• 6

Find the IQR of the data

20, 22, 25, 29, 31

• 30

• 21

• 25

• 9