Quiz about Box Plot + IQR Review

Question 1

True or False
The interquartile range is the difference between the upper quartile (Q3) and the lower quartile (Q1).

Accepted Answer

True

Answer

False

Question 2

Find the interquartile range using the following.
Minimum: 1
Q1: 3
Median: 5
Q3: 7
Maximum: 9

Accepted Answer

4

Answer

8

Answer

5

Answer

10

Question 3

What data value is the upper quartile (Q3)?

Accepted Answer

64

Answer

62

Answer

66

Answer

58

Question 4

What is the median?

Accepted Answer

62

Answer

58

Answer

66

Answer

60

Question 5

What value is the lower quartile (Q1)?

Accepted Answer

60

Answer

66

Answer

58

Answer

64

Question 6

What is the interquartile range (IQR)?

Accepted Answer

4

Answer

64

Answer

60

Answer

8

Question 7

Which restaurant has a higher median wait time?

Accepted Answer

Lucy's Steakhouse

Answer

Gary's Grill

Answer

They are the same

Question 8

Use the box plot to answer the question.

Accepted Answer

15

Answer

14

Answer

18

Answer

12

Question 9

Use the box plot to answer the question.

Accepted Answer

9

Answer

15

Answer

18

Answer

30

Question 10

What is the lower quartile (Q1) of the data set?

Accepted Answer

30

Answer

25

Answer

26

Answer

28

Question 11

Use the box plot to answer the question.

Accepted Answer

75%

Answer

25%

Answer

50%

Answer

100%

Question 12

11. What percentage of the data is between 90 and 140?

Accepted Answer

50%

Answer

25 %

Answer

75%

Answer

100%

Question 13

Find the interquartile range using the following data.
18, 15, 22, 16, 17, 15, 12, 22, 13

Accepted Answer

6

Answer

34

Answer

16

Answer

10

Question 14

Which 5 number summary represents the dot plot?

Accepted Answer

Minimum: 15

Maximum: 85

Median: 30

Q1: 20

Q3: 35

Answer

Minimum: 15

Maximum: 85

Median: 25

Q1: 20

Q3: 35

Answer

Minimum: 15

Maximum: 35

Median: 25

Q1: 20

Q3: 30

Answer

Minimum: 15

Maximum: 85

Median: 25.5

Q1: 20

Q3: 30

Question 15

Which 5-number summary represents the dot plot?

Accepted Answer

Minimum: 30

Maximum: 35

Median: 33

Q1: 32

Q3: 35

Answer

Minimum: 30

Maximum: 35

Median: 32.5

Q1: 32

Q3: 35

Answer

Minimum: 30

Maximum: 35

Median: 32

Q1: 31

Q3: 35

Answer

Minimum: 30

Maximum: 35

Median: 33

Q1: 31

Q3: 35

Question 16

What is the interquartile range (IQR) for the dot plot below?

Accepted Answer

15

Answer

20

Answer

35

Answer

70

Question 17

What is the interquartile range (IQR) of the dot plot below?

Accepted Answer

3

Answer

5

Answer

4

Answer

2

Box Plot + IQR Review

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