# Study the word list: GCSE Maths: Data 2

Key words for GCSE Maths

 histogram A histogram shows the frequency of data in bars. impossible If something is impossible, it will definitely not happen. independent If something is independent, it means it does not rely on or affect something else. interpret If you interpret data, it means you find conclusions from it. interquartile The interquartile range is the difference between the upper and lower quartiles. range The interquartile range is the difference between the upper and lower quartiles. mean The mean is calculated by adding up the values and dividing by the number of values. median The median is the middle point of a data range. modal The modal group is the group with the highest frequency. mode The mode is the most frequently occurring value. mutually If two events are mutually exclusive, it means they can't happen at the same time. exclusive If two events are mutually exclusive, it means they can't happen at the same time. outcome The outcome is the result of an experiment. outlier An outlier is a value that doesn't fit the expected pattern.

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histogram
impossible
independent
interpret
interquartile
range
mean
median
modal
mode
mutually
exclusive
outcome
outlier

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