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excel – What would be a better way to find out the code's SD instead of calculating by each specific code?

Posted by: admin April 23, 2020 Leave a comment

Questions:

I need to find out the standard deviation of A, B, C and D.

I’ve tried using this formula:
=STDEVIFS()

1st sheet
Code   (A, B, C, A, A, C, B, B)
Number (1, 9, 8, 4, 7, 3, 0, 4)

2nd sheet
Code   (A, B, C, D)
SD     (?, ?, ?, ?)
How to&Answers:

=STDEVIFS() Isn’t an officical office Excel function. Try the below.

enter image description here

Formula in E2:

=STDEV.S(IF($A$2:$A$9=D2,$B$2:$B$9,""))

Confirmed through Ctrl+Shift+Enter

If you use Excel 2007 then change to =STDEV()

Also, what exactly do you mean by:

“What would be a better way to find out the code’s SD instead of calculating by each specific code?”