
Probability and Statistics Basic Probability and Statistics Math Forum 
 LinkBack  Thread Tools  Display Modes 
March 29th, 2017, 05:03 PM  #1 
Senior Member Joined: May 2015 From: Arlington, VA Posts: 303 Thanks: 25 Math Focus: Number theory  One measure significant in standard deviation?
When is one observation not considered statistically significant, such as subtracting one (Bessel's correction) while calculating standard deviation?

March 29th, 2017, 05:24 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,438 Thanks: 562 
There is no standard deviation for one observation.

March 29th, 2017, 08:10 PM  #3 
Senior Member Joined: May 2015 From: Arlington, VA Posts: 303 Thanks: 25 Math Focus: Number theory 
So does one use N1 or N in the standard deviation radical's denominator?

March 30th, 2017, 07:08 PM  #4 
Global Moderator Joined: May 2007 Posts: 6,438 Thanks: 562  

Tags 
deviation, measure, significant, standard 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Standard Deviation  bigsmile1k  Algebra  2  September 9th, 2016 02:11 PM 
Average Mean Deviation VS. Standard Deviation  John Travolski  Probability and Statistics  1  July 14th, 2016 02:21 PM 
Standard deviation  milly2012  Advanced Statistics  3  April 29th, 2012 09:21 PM 
Standard Deviation  bilano99  Algebra  3  March 21st, 2012 11:20 PM 
Standard deviation VS Mean absolute deviation  Axel  Algebra  2  April 28th, 2011 04:25 AM 