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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define the term 'cumulative frequency'.
💡 Hint: Think about how we sum frequencies.
Question 2
Easy
What is the median of a data set with odd numbers?
💡 Hint: Arrange the numbers in order first.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the median represent in a dataset?
- Averages all numbers
- Is the middle value
- Represents the maximum value
💡 Hint: Consider what the median aims to reflect.
Question 2
True or False: The median is less affected by extreme values compared to the mean.
- True
- False
💡 Hint: Think about the characteristics of how median is derived.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a grouped data set for test scores in a class: '60-70: 10, 70-80: 15, 80-90: 20, 90-100: 5'. Calculate the median score.
💡 Hint: Identify the median class carefully; use the cumulative frequencies.
Question 2
A frequency table lists car sales by ranges. If the class intervals are: '0-10: 2, 10-20: 4, 20-30: 6, 30-40: 8', find the median range.
💡 Hint: You have to calculate the cumulative frequencies first, and then locate the median class.
Challenge and get performance evaluation