Bivariate Data: Fluency & Practice
Mathematics
Grade 8
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on plotting and interpreting bivariate data using scatter graphs, aimed at developing procedural skills and deeper understanding.
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Full preview • 12 questions
Bivariate Data: Fluency & Practice
Subject: MathematicsGrade: Grade 8
Name:
Date:
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Plot the points for the data: (2, 5), (4, 7), (6, 9). Draw the scatter graph on the grid provided.
[3 marks]2.
Calculate the mean of the x-values and y-values from the data: (1, 3), (3, 5), (5, 7).
[3 marks]3.
Describe the relationship between the variables based on the plotted points: (1, 2), (2, 4), (3, 6).
[3 marks]4.
Plot the following data: (2, 3), (4, 5), (6, 7), (8, 9).
[3 marks]5.
Identify any outliers in the data points: (1, 2), (2, 4), (10, 20), (3, 6).
[3 marks]6.
Construct a scatter graph to show the relationship between hours studied and test scores, given the data: (2, 50), (4, 65), (6, 80), (8, 95).
[4 marks]7.
Calculate the correlation coefficient for the data: (1, 2), (2, 4), (3, 6), (4, 8).
[4 marks]8.
Explain whether the data shows a positive or negative correlation and justify your answer.
[3 marks]9.
Plot the data points: (1, 1), (2, 2), (3, 3), (4, 4), (5, 5). What pattern do you observe?
[3 marks]10.
A dataset shows a scatter graph with points clustered closely along a straight line. What does this suggest about the relationship between the variables?
[3 marks]11.
Identify the common mistake students make when plotting data points and explain how to avoid it.
[3 marks]12.
Given the data: (1, 2), (2, 4), (3, 8), (4, 16), identify the type of relationship and justify your answer.
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet