Masters trail · ages 16+

Mean and median practice

Mean and median are two ways to describe a typical value. Knowing when each is useful is a key statistics skill.

Number Quest's statistics questions practise both with short data sets and explanations.

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What the questions practise

  • Mean and median
  • Mode and range
  • Choosing the right average

Try some example questions

Tap a question to see the answer and how it works.

  1. 1. Mean & medianWhat is the range of 2, 7, 10, 23, 12?17242521

    Answer: 21. 23 − 2 = 21.

  2. 2. Mean & medianWhat is the mode of 10, 16, 10, 1, 6?161106

    Answer: 10. 10 appears twice; everything else once.

  3. 3. Mean & medianWhat is the mode of 13, 14, 4, 13, 11?1341114

    Answer: 13. 13 appears twice; everything else once.

Tips for parents and teachers

  • Order the data before finding the median.
  • Check the mean is between the smallest and largest values.
  • Talk about which average fits best.

Why Number Quest

Free, with no ads and no in-app purchases. Five trails from age 5 to 16+, five ways to play, a daily goal that builds a streak, buddies to unlock and a friendly weekly leaderboard. Questions are made fresh on the device, so there is always something new.

An Android app on Google Play is coming soon. Until then, play free right here in your browser.

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