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To find the median in a group of numbers, you need to arrange the numbers from least to greatest, and find the one in the middle. (It's pretty simple if you have an odd number of values, but if you have an even number of values, you can add the two in the center and divide them by 2.

The numbers you listed, when put in order from least to greatest, are:

11 13 15 18 20 20 22

If you look at it for a second, you'll see that the number in the center is 18. So, the median is 18.

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15y ago
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Q: What is the median of 15 18 22 11 20 20 13?
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