Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 1 - No. 38)
What does the term 'class interval' refer to in the context of grouped data?
The total number of data points.
The range of values within a group.
The frequency of a specific data point.
The midpoint of a group of values.
Explanation
A class interval defines a range or group of data values.
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