Grouped Data: Mixed Review
Mathematics
Grade 6
10 questions
~20 mins
1 views0 downloads
About This Worksheet
A worksheet covering Grouped Data with a focus on Modal Class, designed for Grade 6 students to develop procedural skills, reasoning, and real-world application understanding.
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Grouped Data: Mixed Review
Subject: MathematicsGrade: Grade 6
Name:
Date:
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Untitled Worksheet
Grade Grade 6
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the modal class for the following grouped data:
Class intervals: 0-10, 10-20, 20-30, 30-40, 40-50
Frequencies: 5, 12, 20, 8, 3
[2 marks]2.
Using the data from question 1, what is the total number of data points?
[2 marks]3.
Explain why the class 20-30 is considered the modal class in this data.
[3 marks]4.
Construct a frequency distribution table for the following data:
Frequencies: 15, 22, 13, 17, 10
Corresponding class intervals: 50-60, 60-70, 70-80, 80-90, 90-100
[3 marks]5.
The class intervals are 0-20, 20-40, 40-60, 60-80. Frequencies are 8, 15, 12, 5 respectively. What is the modal class?
[2 marks]6.
Calculate the relative frequency of the class 40-60 in the data from question 5.
[3 marks]7.
A survey shows the following class intervals and frequencies:
Class: 0-10, 10-20, 20-30
Frequency: 7, 14, 9.
Plot the graph of y=2x for the midpoints of each class interval on the grid.
[3 marks]8.
Construct a histogram for the following data:
Class intervals: 0-10, 10-20, 20-30
Frequencies: 4, 9, 6.
[3 marks]9.
Identify the mistake in the following frequency distribution:
Class intervals: 0-10, 10-20, 20-30
Frequencies: 5, 15, 12
Label the modal class correctly.
[3 marks]10.
A teacher recorded the scores of students in a test, grouped into classes: 0-50, 50-60, 60-70, 70-80. Frequencies are 5, 10, 15, 20. Which class is the modal class and why?
[3 marks]Quick Actions
What is Remix?
Create a new worksheet based on this one. Change the grade level, topic, number of questions, or difficulty - then generate a fresh version.
- • Change grade level (Grade 6 → Grade 7)
- • Swap topics (Harry Potter → Macbeth)
- • Add more questions (10 → 15)
- • Adjust difficulty
Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet