Histogram is defined as a frequency distribution graph in which a vertical bar indicates the frequency of each score from an interval or ratio scale of measurement . Moreover, Histogram is a means of illustrating the frequency of quantitative data using contiguous vertical bars. Quantitative class intervals are plotted on the abscissa, with frequency represented on the ordinate and the frequency of each class represented by the height of the bar over that class interval

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Bar graph at psychology-glossary.com■■■■■■■■■■
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Polygon at psychology-glossary.com■■■■■■■
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Interval measure at psychology-glossary.com■■■■
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Frequency distribution at psychology-glossary.com■■■■
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Scatter plot at psychology-glossary.com■■■■
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Nominal measure at psychology-glossary.com■■■
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Ordinal measure at psychology-glossary.com■■■
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Equal intervals at psychology-glossary.com■■■
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