Bivariate Data: Real-world Applications

Mathematics
Grade 7
12 questions
~24 mins
1 views0 downloads

About This Worksheet

A worksheet exploring Bivariate Data through scatter graphs in real-world contexts, designed to develop plotting skills and data interpretation for Grade 7 students.

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Full preview • 12 questions

Bivariate Data: Real-world Applications

Subject: MathematicsGrade: Grade 7
Name:
Date:
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Untitled Worksheet

Grade Grade 7
A

Introduction

Read the key concepts below before attempting the questions.
1.
Bivariate Data involves two variables plotted against each other on a scatter graph. The position of each point shows the relationship between these variables. Understanding how to plot and interpret such data helps analyze real-world situations.
[2 marks]
B

Practice Questions

Answer all questions. Show your working in the grid spaces provided.
1.
Plot the points for the following data: (Hours of Study, Test Score): (2, 50), (4, 70), (6, 80).
[3 marks]
2.
Using the plotted points, describe the overall trend between hours studied and test scores.
[2 marks]
3.
Calculate the average test score for students who studied at least 4 hours.
[3 marks]
4.
Identify if there is a positive, negative, or no correlation between hours studied and test scores in the data: (1, 45), (3, 55), (5, 65).
[2 marks]
5.
A researcher records hours of study and number of pages read. The data points are: (3, 20), (5, 35), (7, 50). Plot these points on the grid.
[3 marks]
6.
What is the nature of the relationship between hours studied and pages read based on the plotted data?
[2 marks]
7.
A car's speed (km/h) and fuel consumption (litres/100km) are recorded. The data points are: (60, 8), (80, 10), (100, 12). Plot these points and comment on the relationship.
[4 marks]
8.
Construct a scatter graph to show the relationship between age and number of hours spent on social media per week. Use the data points: (12, 10), (14, 15), (16, 20), (18, 25).
[4 marks]
9.
Describe the trend shown by the scatter plot in question 8.
[2 marks]
10.
Identify a possible outlier in the data: (10, 12), (12, 15), (14, 20), (16, 22), (25, 35). Explain your reasoning.
[3 marks]
11.
A student incorrectly plots the points: (2, 30), (4, 50), (6, 70) but mislabels the axes. What common mistake might they have made?
[2 marks]

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Details

Created
1/1/2026
Updated
1/1/2026
Type
worksheet