Polygon is defined as a frequency distribution graph in which a series of points connected by straight lines indicates the frequency of each score from an interval or ratio scale of measurement.

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Histogram at psychology-glossary.com■■■■■■■■
Histogram is defined as a frequency distribution graph in which a vertical bar indicates the frequency . . . Read More
Bar graph at psychology-glossary.com■■■■■■■
Bar graph refers to a frequency distribution graph in which a vertical bar indicates the frequency of . . . Read More
Frequency distribution at psychology-glossary.com■■■■■
Frequency distribution is defined as a plot of the number of scores occurring for each score value or . . . Read More
Interval measure at psychology-glossary.com■■■■
Interval measure is defined as a level of measurement describing a variable whose attributes are rankordered . . . Read More
Multimodal distribution at psychology-glossary.com■■■■
Multimodal distribution is defined as a distribution of scores with more than two (2) modes or distinct . . . Read More
Nominal measure at psychology-glossary.com■■■
Nominal measure refers to a variable whose attributes have only the characteristics of exhaustiveness . . . Read More
Ordinal measure at psychology-glossary.com■■■
Ordinal measure is defined as a level of measurement describing a variable with attributes we can rank-order . . . Read More
Coefficient alpha at psychology-glossary.com■■■
Coefficient alpha is a statistic used to determine internal reliability of tests that use interval or . . . Read More
Graphic rating scale at psychology-glossary.com■■■
Graphic rating scale is defined as a method of performance appraisal that involves rating employee performance . . . Read More
Equal intervals at psychology-glossary.com■■■
Equal intervals is a property of measurement scales such that a one-unit change is equivalent throughout . . . Read More