The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used to ...

Mean, median, and mode are measures of central tendency used to summarize data, but their applicability depends on the type of data being analyzed. When working with nominal data, which consists of ...

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An Idea for the Classroom: CaSQ 26 Calculating Mean, Median and Mode Using Excel Do your students know how to calculate mean, median and mode in Excel? If they don't, they are about to learn, in CaSQ ...