SPLK-1002 · Question #52
This function of the stats command allows you to return the sample standard deviation of a field.
The correct answer is A. stdev. The stdev function in Splunk's stats command computes the sample standard deviation of a numeric field, measuring how spread out the field's values are around the mean.
Question
This function of the stats command allows you to return the sample standard deviation of a field.
Options
- Astdev
- Bdev
- Ccount deviation
- Dby standarddev
How the community answered
(25 responses)- A88% (22)
- C4% (1)
- D8% (2)
Why each option
The stdev function in Splunk's stats command computes the sample standard deviation of a numeric field, measuring how spread out the field's values are around the mean.
The stdev function calculates the sample standard deviation for a specified numeric field across all matching events, providing a statistical measure of value dispersion. It is the correct and only Splunk stats function for sample standard deviation calculation.
'dev' is not a recognized Splunk stats function; the correct function name is 'stdev' and using 'dev' will produce an error.
'count deviation' is not a valid Splunk stats function or syntax combination; no such function exists in the Splunk SPL reference.
'by standarddev' is not a valid Splunk function; 'by' is a grouping clause and 'standarddev' is not a recognized stats function name.
Concept tested: Splunk stats stdev function for sample standard deviation
Source: https://docs.splunk.com/Documentation/Splunk/latest/SearchReference/Stats
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