13.4 - Median of Grouped Data
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Practice Questions
Test your understanding with targeted questions
Define the term 'cumulative frequency'.
💡 Hint: Think about how we sum frequencies.
What is the median of a data set with odd numbers?
💡 Hint: Arrange the numbers in order first.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the median represent in a dataset?
💡 Hint: Consider what the median aims to reflect.
True or False: The median is less affected by extreme values compared to the mean.
💡 Hint: Think about the characteristics of how median is derived.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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