Mastering Scatter Graphs & Correlation

Mathematics
GCSE Foundation
10 questions
~20 mins
0 views0 downloads

About This Worksheet

A worksheet covering Scatter Graphs & Correlation for GCSE Foundation students, focusing on understanding, interpretation, and application of correlation concepts.

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Mastering Scatter Graphs & Correlation

Subject: MathematicsGrade: GCSE Foundation
Name:
Date:

Untitled Worksheet

Grade GCSE Foundation
A

Practice Questions

Answer all questions. Show your working in the grid spaces provided.
1.
Plot the following data points on a scatter graph: (2, 5), (4, 7), (6, 9), (8, 11).
[2 marks]
2.
Describe the overall trend shown in the scatter graph with points: (1, 2), (2, 4), (3, 6), (4, 8).
[2 marks]
3.
Identify whether the data shows a positive, negative, or no correlation: (1, 3), (2, 5), (3, 7), (4, 9).
[1 mark]
APositive
BNegative
CNo correlation
4.
Calculate the approximate correlation coefficient (r) for the data points: (1, 2), (2, 4), (3, 6), (4, 8).
[3 marks]
5.
On the same scatter graph, draw a line of best fit for the data: (2, 3), (4, 7), (6, 11).
[2 marks]
6.
Explain whether the data shows a strong, moderate, or weak correlation.
[2 marks]
7.
If the data points are (1, 1), (2, 2), (3, 3), (4, 4), what is the likely correlation coefficient?
[1 mark]
A1
B0
C-1
8.
A dataset shows no apparent pattern. What type of correlation does this suggest?
[1 mark]
APositive
BNegative
CNo correlation
9.
A farmer records the number of hours worked and the amount of crop yielded. How can scatter graphs help in making decisions about farming practices?
[3 marks]
10.
A researcher finds a negative correlation between study hours and errors made on a test. What does this imply?
[3 marks]

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Details

Created
12/30/2025
Updated
12/30/2025
Type
worksheet