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Splunk

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.

Basic Transforming Commands

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)
  • A
    88% (22)
  • C
    4% (1)
  • D
    8% (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.

AstdevCorrect

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.

Bdev

'dev' is not a recognized Splunk stats function; the correct function name is 'stdev' and using 'dev' will produce an error.

Ccount deviation

'count deviation' is not a valid Splunk stats function or syntax combination; no such function exists in the Splunk SPL reference.

Dby standarddev

'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

Topics

#stats command#standard deviation#statistical functions#SPL

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