Backwards mean

Reverse Mean – Guess the Misconception

It is currently 2-0 to teachers, having correctly guessed the most popular misconception in last week’s Gradient question (see last week’s results). This week we turn our attention to the increasingly popular exam topic of reverse means. Can you predict the most common way students went wrong with this one?

Get your votes in, share with your colleagues and students to see what they think, and the answers will be revealed next week!

This question is taken from GCSE Essential Skills Quiz 13, which is available for free via this link


One thought on “Reverse Mean – Guess the Misconception

  1. The recent world T20 cricket final hinged on the last over and a “reverse mean” question can be imagined on what was needed to win. See attached article, and links to Cricino which features statistic heavily. Also an article on gamification of revision in the West Indies.

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