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Scatter Graphs

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Question 20

Liam recorded the age of 10 trees and the diameter of their trunks in cm. He was asked to display the data on a scatter graph. Here is his answer.

A scatter graph showing Trunk Diameter (y-axis) versus Tree Age (x-axis). The x-axis scale goes 0, 20, 25, 30, 35, 40, 45, 50. The y-axis has no label.

Age (years)	Diameter (cm)
5	8
10	14
15	12
20	25
25	31
30	28
35	40
40	44
45	41
50	56

Liam has plotted the points accurately.

Write down two things that are wrong with his answer.

[2]

Markscheme

Scatter Graphs Questions

GCSE
Maths
Scatter Graphs

55 exam-style questions on CCEA GCSE Maths Scatter Graphs. Each one has a worked solution and a mark scheme showing where the marks go.

Scatter Graphs

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Scatter Graphs

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

Question 20

Liam recorded the age of 10 trees and the diameter of their trunks in cm. He was asked to display the data on a scatter graph. Here is his answer.

A scatter graph showing Trunk Diameter (y-axis) versus Tree Age (x-axis). The x-axis scale goes 0, 20, 25, 30, 35, 40, 45, 50. The y-axis has no label.

Age (years)	Diameter (cm)
5	8
10	14
15	12
20	25
25	31
30	28
35	40
40	44
45	41
50	56

Liam has plotted the points accurately.

Write down two things that are wrong with his answer.

[2]

Markscheme

Scatter Graphs Questions

GCSE
Maths
Scatter Graphs

55 exam-style questions on CCEA GCSE Maths Scatter Graphs. Each one has a worked solution and a mark scheme showing where the marks go.