Researching Target Markets: Difference between revisions

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	In [[w:descriptive statistics\|descriptive statistics]], the '''[[w:quartile\|quartile]]s ''' of a [[w:Levels of measurement#Ordinal scale\|ranked]] set of data values are the three points that divide the data set into four equal groups, each group comprising a quarter of the data. ( Wikipedia )		In [[w:descriptive statistics\|descriptive statistics]], the '''[[w:quartile\|quartile]]s ''' of a [[w:Levels of measurement#Ordinal scale\|ranked]] set of data values are the three points that divide the data set into four equal groups, each group comprising a quarter of the data. ( Wikipedia )

			In [[w:arithmetic\|arithmetic]], the '''[[w:Range (statistics)\|range]]''' of a set of data is the difference between the largest and smallest values. ( Wikipedia )