HISTOGRAMS

HISTOGRAMS PowerPoint PPT Presentation


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HISTOGRAMS

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1. HISTOGRAMS Representing Data OCR Module 9

2. 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

6. Grouped Frequency Distribution

7. Drawing Sensible Scales Bases correctly aligned Plot the Class Boundaries Heights correct Frequency Density

8. Frequency Densities

10. How do we treat ages?

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