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Exploring Data: Quartiles for a Small Data Set
Playing with the quartiles for a small data set involves students using the values 1,3,5 and 7 on the spreadsheet to get the target quartile values for sample sizes of 20, 21, 22 and 23. The aim is to note by how much, or how little, difference to the quartiles is made by increasing the sample size by one. Sheet two of the spreadsheet provides further target values whilst sheet three provides the answers.
This resource is part of the Making Stats Vital collection from Jonny Griffiths.
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