I USED TO KNOW THAT

Lessons from our school days, long since forgotten

MODE, MEDIAN, MEAN Ask the average (wo)man on the street about mode, median and mean and they’d probably think you’re the one being mean. But they’re all different types of average. Let’s pretend we’re fascinated by shoe sizes. In our sample group of seven women, two are size five and there’s one each of sizes 3, 4, 6, 7 and 8. The mode is the number that appears the most. In this case (3, 4, 5, 5, 6, 7, 8), it’s 5 that’s (à la) mode. The median is the middle number, when all the numbers are written out in order. Here it’s also 5 (3, 4, 5, 5, 6, 7, 8). The mean is the total of all the numbers divided by how many numbers there are. Our numbers make…

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The Simple Things (Digital) - 1 Issue, 1-Aug-2015

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