Comparing data sets using mean and median

Reason For Learning

An understanding of mean, median and mode (measures of central tendancy) is important when interpreting survey data. Many published surveys vary the way they express 'averages' to best suit their cause. Can you see through their tricks? This learning bite will also give you the tools necessary to compare sets of data.

Learning Intention

Comparing data using measures of central tendancy to comment on patterns and make conclusions.

Key Vocabulary Terms

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    ACMSP172 Level 7

    Describe and interpret data displays and the relationship between the median and mean

    ACMSP207 Level 8

    Investigate the effect of individual data values, including outliers, on the mean and median