Range and box-and-whisker plots test questions - GCSE Maths Numeracy (WJEC) Revision

1

What is the range of the following data?

6, 3, 12, 14, 8, 21

15

21

18

2

What is the median of the following data?

3, 5, 6, 9, 2, 6, 1

9

5

6

3

What is the median of the following data?

7, 5, 2, 3, 4, 9

2.5

6

4.5

4

What is the interquartile range from the following data?

20, 11, 28, 14, 19, 13, 23

3

2

10

5

What is the interquartile range from the following cumulative frequency diagram?

Line graph with Y axis of Cumulative frequency and X axis of Height of trees (m)

0.3 m

0.62 m

0.12 m

6

What is the interquartile range from the following cumulative frequency diagram?

Line graph with Y axis of Cumulative frequency and X axis of Length (cm)

30.5 cm

20.5 cm

6.5 cm

7

What is the median from this box-and-whisker plot?

Number line ranging from 8 - 21 showing interquartile range

10

14

19

8

What is the range on this box-and-whisker plot?

10

14

12

9

What is the lower quartile of this box-and-whisker diagram?

10

9

19

10

What is the interquartile range from this box-plot?

9

12

14