Frequency densities - PowerPoint PPT Presentation

HISTOGRAMS

HISTOGRAMS. Representing Data OCR Module 9. Why use a Histogram. When there is a lot of data When data is Continuous a mass, height, volume, time etc Presented in a Grouped Frequency Distribution usually in groups or classes that are UNEQUAL. NO GAPS between Bars. Continuous data.

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HISTOGRAMS

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S 14 Histograms with Unequal Class Intervals

GCSE Maths Statistics &amp; Probability. S 14 Histograms with Unequal Class Intervals. Subject Content Reference: S3.2h . 3. Frequency Density. 2. 1. 50. 100. 150. 200. 250. Time in minutes. A histogram with unequal class intervals uses the notion of frequency density . .

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