MySQL
keyboard_arrow_down 295 guides
chevron_leftAggregate
check_circle
Mark as learned thumb_up
0
thumb_down
0
chat_bubble_outline
0
Comment auto_stories Bi-column layout
settings
MySQL | STDDEV_POP method
schedule Aug 10, 2023
Last updated local_offer
Tags MySQL
tocTable of Contents
expand_more Master the mathematics behind data science with 100+ top-tier guides
Start your free 7-days trial now!
Start your free 7-days trial now!
MySQL's STDDEV_POP(~)
aggregate method returns the population standard deviation from the provided numeric input.
Parameters
1. expr
| numeric
The numeric input to return the population standard deviation for.
Return value
The population standard deviation for the provided numeric input.
Examples
Consider the following table about some students:
student_id | fname | lname | day_enrolled | age | username |
---|---|---|---|---|---|
1 | Sky | Towner | 2015-12-03 | 17 | stowner1 |
2 | Ben | Davis | 2016-04-20 | 19 | bdavis2 |
3 | Travis | Apple | 2018-08-14 | 18 | tapple3 |
4 | Arthur | David | 2016-04-01 | 16 | adavid4 |
5 | Benjamin | Town | 2014-01-01 | 17 | btown5 |
The above sample table can be created using the code here.
Basic usage
To return the population standard deviation of students' age:
SELECT STDDEV_POP(age) AS "Standard Deviation Age"FROM students;
+------------------------+| Standard Deviation Age |+------------------------+| 1.0198039027185568 |+------------------------+
Published by Arthur Yanagisawa
Edited by 0 others
Did you find this page useful?
thumb_up
thumb_down
Comment
Citation
Ask a question or leave a feedback...
Official MySQL Documentation
https://dev.mysql.com/doc/refman/8.0/en/group-by-functions.html#function_stddev-pop
thumb_up
0
thumb_down
0
chat_bubble_outline
0
settings
Enjoy our search
Hit / to insta-search docs and recipes!