# Mathematics / Year 9 / Statistics and Probability / Data representation and interpretation

Curriculum content descriptions

Construct back-to-back stem-and-leaf plots and histograms and describe data, using terms including ‘skewed’, ‘symmetric’ and ‘bi modal’ (ACMSP282)

Elaborations
• using stem-and-leaf plots to compare two like sets of data such as the heights of girls and the heights of boys in a class
• describing the shape of the distribution of data using terms such as ‘positive skew’, ‘negative skew’ and 'symmetric' and 'bi-modal'
General capabilities
• Numeracy Numeracy
ScOT terms

Stem and leaf plots,  Histograms,  Skewness

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