One of the mysteries of the English language finally explained.
The size of each class into which a range of a variable is divided, as represented by the divisions of a histogram or bar chart.
- ‘The width of each bar along the abscissa represents a class interval of 0.1, except for the first bar.’
- ‘The class interval was chosen to be equal to or greater than the maximum standard deviation.’
- ‘However, no matter what headway distributions are used, or how accurately they are modelled, the probability density functions themselves describe the distribution of headways by sorting headways into different class intervals.’
- ‘It allowed analysis according to the different grain size class intervals for a single rock specimen.’
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