1-2-3 Weighted Average

Aaron

Board Regular
Joined
Feb 20, 2002
Messages
237
In 1-2-3 If I type in the following formula @weightavg(e2..e6,f2..f6) I get a weighted average of the two columns. Is there a formula in Excel that does the same? Thanks in advance for your help. -asa
 

Excel Facts

Whats the difference between CONCAT and CONCATENATE?
The newer CONCAT function can reference a range of cells. =CONCATENATE(A1,A2,A3,A4,A5) becomes =CONCAT(A1:A5)
Hi,

No standard function, but you can create one easily

=SUMPRODUCT(Values, Weights)/Sum(Weights)
or in investment terms,
=SUMPRODUCT(Shares, Prices)/Sum(Shares)

note the above. It makes a big difference which range/array you put into the denominator, so be careful.

=SUMPRODUCT(A1:A5,B1:B5)/SUM(B1:B5)

is a specific example.

Bye,
Jay
 
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That gives me the answer I need. Thanks. But by the answer, there is no weighted average function, unless I wanted to write one correct?
 
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