Study Guide - Michigan State University

If the mean is larger than the median the distribution is _____ skewed. To see this, create a histogram of the age variable. Calculation of Grouped Mean. Minutes spent on test mid pt f mid pt x f 0 to less than 5 minutes 2.5 2 5 at least 5 but less than 10 mins 7.5 12 90 at least 10, less than 20 mins 15 16 240 Total 30 335 335/30 = 11ยท2 ................
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