Mathematics / Year 10 / Statistics and Probability / Data representation and interpretation

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Curriculum content descriptions

Determine quartiles and interquartile range (ACMSP248)

Elaborations
  • finding the five-number summary (minimum and maximum values, median and upper and lower quartiles) and using its graphical representation, the box plot, as tools for both numerically and visually comparing the centre and spread of data sets
ScOT terms

Inter-quartile range

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Year level 9-10
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Learning area Mathematics

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Interactive resource

HOTmaths: exploring measures of spread

Move points on a dot plot and see what happens to various measures of spread and the mean of a distribution.