find the midrange of these:

1.5, 2.5, 3.0, 1.0, 1.4, 3.5, 1.8, 1.8, 3.3, 2.2, 2.8, 1.8

I thought you take the highest - the lowest and then divide by 2, but the answer I get is not one of the choices.

Show me the formuula please? Thanks!

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  1. "midrange: a rough estimate of the center found by taking the mean of the highest and lowest value in the data set. Symbol: MR"

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  2. Thanks! I took it to mean I add, I was minusing! It made a world of difference

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