Mastering Cumulative Frequency
Mathematics
Grade 7
10 questions
~20 mins
0 views0 downloads
About This Worksheet
A worksheet covering Cumulative Frequency for Grade 7 students. It introduces the concept and provides practice questions to build understanding and application skills.
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Mastering Cumulative Frequency
Subject: MathematicsGrade: Grade 7
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Untitled Worksheet
Grade Grade 7
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Given the frequency distribution of students' test scores: 50-59: 5 students, 60-69: 8 students, 70-79: 12 students, 80-89: 7 students. Calculate the cumulative frequency up to 70-79.
[2 marks]2.
Complete the cumulative frequency table for the following data:
Class interval | Frequency
0-10 | 4
10-20 | 6
20-30 | 10
30-40 | 5
Fill in the cumulative frequency for each class boundary.
[3 marks]3.
If the cumulative frequency at 70 is 20 and at 80 is 30, what is the frequency of students in the 70-80 range?
[2 marks]4.
Calculate the total number of students if the last cumulative frequency is 50.
[2 marks]5.
The cumulative frequency at 60 is 18, and at 70 is 28. How many students scored between 60 and 70?
[2 marks]6.
Explain the purpose of cumulative frequency in data analysis.
[3 marks]7.
A class has the following cumulative frequency data:
Class 0-10: 4
10-20: 10
20-30: 20
30-40: 25
What is the median class?
[3 marks]8.
Using the cumulative frequency table, estimate the number of students who scored above 80 if total students are 50 and the cumulative frequency at 80 is 40.
[3 marks]9.
A survey shows that 60 students' scores are distributed in class intervals. The cumulative frequency up to 75 is 45, and up to 85 is 55. How many students scored between 75 and 85?
[2 marks]10.
Challenge: A teacher records test scores in a frequency table and calculates the cumulative frequency. If 25 students scored less than 70, and the total number of students is 60, how many students scored 70 or above?
[3 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet