STDEVA Google Sheet Formula
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STDEVA Formula Syntax
Example Use Case
Estimating sample standard deviation including text and logical values
Understanding the STDEVA Formula
The STDEVA function in Excel calculates the sample standard deviation, treating text as 0 and logical values (TRUE/FALSE) as 1/0. It’s a broader version of STDEV, useful for mixed datasets—like survey responses with flags.
STDEVA(A1:A5) with 10, 'text', TRUE, , 20 returns ~8.66, counting text as 0 and TRUE as 1 in the sample formula. It’s inclusive, making it ideal when non-numeric data impacts variability.
Why Use STDEVA?
STDEVA captures all—think mixed data analysis or quality checks with text entries. Its sample-based (n-1) approach adjusts for small sets, offering a fuller picture of spread in diverse data.
Example with Sample Data
| Values | Formula | Result |
|---|---|---|
| 10, 'text', TRUE | =STDEVA(A1:A3) | 5.77 |
| 5, FALSE, 15 | =STDEVA(A1:A3) | 7.64 |
| 1, 'abc', 3 | =STDEVA(A1:A3) | 1.53 |
STDEVA includes all: ~5.77 with text as 0, TRUE as 1. It’s an inclusive spreader.
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