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Published: 15/12/2011
KS5
3 pages

Comparing averages and spread

Alter the original data set and analyse what happens to the averages and spreads. Sparks in depth discussion on various measures, including interquartile range and standard deviation.    

See other resources: Statistics & Probability | Averages and spread – standard deviation


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Neil HendryNeil Hendry
Thanks. You are right. This has now been corrected.
Posted on 7th June 2017
J HulanceJ Hulance
In the two extension questions only 5 values are given, whereas the original data set has 6 values. Given the provided solutions, I think this is actually an error and so extra x_6 and y_6 need to be added to the questions.
Posted on 5th June 2017
Charlie JacksonCharlie Jackson
An excellent resource for my core maths group.
Posted on 11th September 2016

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