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I would like to multiply, row-by-row, two columns in an Excel sheet (in order to take the median of the resulting column).

1  3
2  5
4  2

Should become


How can I do that in a formula (i.e. without creating a separate column with the multiplication result)?

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up vote 6 down vote accepted

You want an array formula...

Assuming your data starts in A1, you can type:


and the press Ctrl + Shift + Enter to enter it into the cell as an array formula. If you do it correctly, you'll see the formula enclosed in curly braces by Excel.

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Thanks a lot! I didn't know you had t use ctrl+shift+enter for that. – Jonas Jun 22 '10 at 11:10

In excel, you can multiply cells together in the median formula to get the result.

The median of {3, 10, 8} = 8 in excel you can use Median(A1*B1, A2*B2, A3*B3) to get the same result. Provided the first number "1" starts on A1.

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