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Frequency Histograms and Polygons By Daniel Hyde  ORB Education Visit for the other resources in this pack.

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Presentation on theme: "Frequency Histograms and Polygons By Daniel Hyde  ORB Education Visit for the other resources in this pack."— Presentation transcript:

1 Frequency Histograms and Polygons By Daniel Hyde  ORB Education Visit for the other resources in this pack.

2 CONSTRUCTING GRAPHS FDT A Frequency Distribution Table (FDT) is used to organise raw data. A pair of dice was rolled 50 times and the sum recorded. Construct a frequency distribution table. ScoreTallyFrequency Total50 Skip Process

3 CONSTRUCTING GRAPHS Frequency Histogram Construct a frequency histogram to illustrate the data Sum of Dice Frequency Rolling Dice

4 CONSTRUCTING GRAPHS Histogram Features Features of a Frequency Histogram Sum of Dice Frequency Rolling Dice Appropriate labelling of axes Half column gap here Heading No gaps between columns Columns all the same width Labels

5 CONSTRUCTING GRAPHS Frequency Polygon Construct a frequency polygon to illustrate the data Sum of Dice Frequency Rolling Dice Place a dot at the top of each column (in the centre) Now join each dot starting at the ‘origin’ This line should join the x-axis at the next marker This is usually drawn on top of a Frequency Histogram

6  ORB Education Visit for the other resources in this pack. Frequency Histograms and Polygons By Daniel Hyde


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