Practice - Measures of Dispersion
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Practice Questions
Test your understanding with targeted questions
Calculate the range of the following data set: 2, 4, 6, 8, 10.
💡 Hint: Subtract the minimum value from the maximum.
What is the IQR of the data set: 3, 5, 7, 9, 11?
💡 Hint: Find Q1 and Q3 first.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the range measure in a dataset?
💡 Hint: Think about what it tells us about the high and low values.
True or False: The Interquartile Range is influenced by outliers.
💡 Hint: Consider how IQR is calculated using quartiles.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
You are given the following dataset representing weekly rainfall in inches: 0, 1, 1, 2, 3, 5, 8. Calculate the range, IQR, and standard deviation.
💡 Hint: Remember to find the mean for SD!
A group of friends scores in a video game are: 180, 200, 220, 250, 300. If one friend scores 500, analyze how that affects the range and standard deviation.
💡 Hint: Check how the presence of outliers can distort measures.
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Reference links
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