Plotting: Mixed Review

Mathematics
Year 9
10 questions
~20 mins
1 views0 downloads

About This Worksheet

A worksheet reviewing plotting techniques for Cumulative Frequency graphs, including procedural practice, problem solving, and real-world applications.

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Full preview • 10 questions

Plotting: Mixed Review

Subject: MathematicsGrade: Year 9
Name:
Date:
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Untitled Worksheet

Grade Year 9
A

Practice Questions

Answer all questions. Show your working in the grid spaces provided.
1.
Given the cumulative frequency data: 10, 25, 40, 55, 70 for class intervals, plot the cumulative frequency graph on the grid.
[3 marks]
2.
Using the plotted graph, estimate the median class and value.
[3 marks]
3.
Construct a cumulative frequency graph for the following data: 15, 30, 45, 60, 75, 90.
[3 marks]
4.
Describe how to find the mode from a cumulative frequency graph.
[2 marks]
5.
Plot the cumulative frequency curve for the data: 5, 15, 25, 35, 50, 65.
[3 marks]
6.
A dataset's cumulative frequency graph shows a sudden jump from 20 to 40 at a certain point. What does this indicate about the data?
[2 marks]
7.
Given the following cumulative frequency data: 8, 16, 24, 32, 40, plot the graph and find the approximate interquartile range (IQR).
[4 marks]
8.
Identify and correct the error in a cumulative frequency graph that shows a decreasing trend.
[3 marks]
9.
A survey reports the following class intervals and cumulative frequencies: 10, 30, 50, 70. Plot the data and explain what the shape of the graph indicates about the distribution.
[4 marks]
10.
Challenge: Given two cumulative frequency curves, determine which dataset has a higher median and justify your answer.
[4 marks]

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Details

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