Interquartile Range Quizzes, Questions & Answers

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The '2140 Spread - Range & IQR' quiz assesses understanding of statistical range using a five-number summary. Learners calculate the range from given datasets, enhancing their ability to interpret and analyze data.

Questions: 181  |  Attempts: 317   |  Last updated: Mar 20, 2025

Summarising numerical data: the median, range, IQR and box plots

Questions: 9  |  Attempts: 322   |  Last updated: Mar 20, 2025
  • Sample Question
    A sample of 21 travellers was asked the number of nights they spent away from home last year. Their responses are summarised in the following stem-and-leaf plot.0  |  1 1 2 2 3 4 5 5 6 6 7 91  |  0 2 4 4 62  |  2 2 33  |4  |  4The median number of nights away from home is:
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Time to dive into the world of quartiles and IQR! This quiz will help you unlock the power of the interquartile range (IQR), a measure of spread that tells you how data is distributed in the middle 50%. By the end, you'll...

Questions: 26  |  Attempts: 10   |  Last updated: Oct 31, 2025
  • Sample Question
    What is the median number of pages read?
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