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Summarizing and Visualizing Data

Reading Relative Frequency in Histograms

Description

A relative frequency histogram shows how data are spread across classes using percentages instead of counts. The relative frequency tells the proportion of data points in each value or class. The frequency tells the number of data points in each value or class.

This graph has the same overall sha...

Transcript

Consider a relative frequency distribution table of the number of clocks sold at different price ranges represented as class intervals and class boundaries. This table represents the relative proportions of each quantitative value in the data set.

Such relative frequency tables are visualized using a graph called relative frequency histog...

Tags

Frequency DistributionData DistributionClass MidpointsClass BoundariesHistogram ConstructionData AnalysisStatistical GraphsProportion DataGraphical Representation

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