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Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

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Defines 1 class

StandardDeviations:: (4 methods):
  STDEV()
  STDEVA()
  STDEVP()
  STDEVPA()


Class: StandardDeviations  - X-Ref

STDEV(...$args)   X-Ref
STDEV.

Estimates standard deviation based on a sample. The standard deviation is a measure of how
widely values are dispersed from the average value (the mean).

Excel Function:
STDEV(value1[,value2[, ...]])

param: mixed ...$args Data values
return: float|string The result, or a string containing an error

STDEVA(...$args)   X-Ref
STDEVA.

Estimates standard deviation based on a sample, including numbers, text, and logical values

Excel Function:
STDEVA(value1[,value2[, ...]])

param: mixed ...$args Data values
return: float|string

STDEVP(...$args)   X-Ref
STDEVP.

Calculates standard deviation based on the entire population

Excel Function:
STDEVP(value1[,value2[, ...]])

param: mixed ...$args Data values
return: float|string

STDEVPA(...$args)   X-Ref
STDEVPA.

Calculates standard deviation based on the entire population, including numbers, text, and logical values

Excel Function:
STDEVPA(value1[,value2[, ...]])

param: mixed ...$args Data values
return: float|string