Measures of Spread | |
Summary |
the spread of a set of data can be measured using the range, quartiles, percentiles or the standard deviation. the range is the difference between the highest and the lowest values. the percentiles split a set of data into a hundred equal parts. the standard deviation of a set of data is a measure of how each value differs or deviates from the mean. |
Key Skills |
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Vocabulary |
spread, quartile, lower quartile, upper quartile, median, mean,percentile, |