Showing topic: Representation of continuous data: cumulative frequency graphs
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Question
State the formula for: Frequency density
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Answer
Equation:
Frequency density=class widthclass frequency
Where:
\text{Frequency density}: frequency per standard interval
\text{class frequency}: number of observations in the class
\text{class width}: width of the class interval
Note: Used for constructing histograms, especially with unequal class widths, to ensure column area is proportional to frequency.
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Representation of continuous data: cumulative frequency graphs
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Representation of data · Probability & Statistics 1
