range, which is the highest score minus the lowest score plus 1 (or h − l + 1). The difference is that the inclusive range counts both the high and low scores as being among the values in the range. You most commonly see the exclusive range in research articles, but the inclusive range is also used on occasion if the researcher prefers it. The range tells you how different the highest and lowest values in a data set are from one another—that is, the range shows how much spread there is from the lowest to the highest point in a distribution. So, although the range is fine as a general indicator
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