Statistical Measures and Graphs · Data Handling

Histograms and Frequency Density

Constructing and interpreting charts where the area, not the height, represents the frequency.

Key Questions

  1. 1Why is height alone insufficient to represent frequency when class widths are unequal?
  2. 2How does the concept of density relate to the distribution of data across an interval?
  3. 3What information is lost when we group continuous data into classes?

National Curriculum Attainment Targets

GCSE: Mathematics - Statistics
Year: Year 10
Subject: Mathematics
Unit: Statistical Measures and Graphs
Period: Data Handling

Suggested Methodologies

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Cumulative Frequency and Box Plots

Analyzing the spread and skewness of data through quartiles and interquartile range.

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