Practice Cumulative Frequency (5.1) - Descriptive Statistics - IB 10 Mathematics – Group 5, Statistics & Probability
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Cumulative Frequency

Practice - Cumulative Frequency

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is cumulative frequency?

💡 Hint: Think about how frequencies add up.

Question 2 Easy

If 5 students scored 50, 6 students scored 60, and 4 students scored 70, what is the cumulative frequency for the score of 60?

💡 Hint: Add all the frequencies before this score.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does cumulative frequency help us understand?

It's just the frequency.
It's a running total of frequencies.
It has no usefulness.

💡 Hint: Think about how frequencies can accumulate.

Question 2

True or False: Cumulative frequency can help in drawing ogives.

True
False

💡 Hint: Recall what ogives represent again.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A class of students scored the following: 55, 60, 70, 70, 75, 80, 85. Construct a cumulative frequency table and use it to find the 90th percentile of the scores.

💡 Hint: Percentiles tell you the score below which a certain percentage lies.

Challenge 2 Hard

Create an ogive for the cumulative frequency data of ages: 1, 2, 2, 3, 3, 3, 4, 4, 5. Then, use the ogive to determine how many ages fall below the value of 3.

💡 Hint: Remember how to read ogives and interpolate values.

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