The simplest measure of spread is the range. The range is the difference between the highest and lowest scores in a data set. Range = maximum value - minimum value The best choice of reporting a measure of
Center: We can use the median to measure the “center” of the dataset. The median represents the middle value of the dataset. To find the median for this particular
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To draw a histogram on your TI-83/84 graphing calculator, you must first enter the data in a list. In the home screen, press [2ND] [ {], and then enter the data separated by commas (see the
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The range is the difference between the highest and lowest scores in a data set and is the simplest measure of spread. So we calculate range as : Range = maximum value - minimum value Whilst using the range as a measure of