Referensi : Apakah Standar Deviasi Dapat Dirata-rata ?

Status : Draft

Menurut [3] :

s = sqrt(s1^2 + s2^2 + ... + s12^2)

Referensi

1. Average of standard deviation makes sense? https://www.physicsforums.com/threads/average-of-standard-deviation-makes-sense.588433/
2.  An average of standard deviations?, http://www.talkstats.com/showthread.php/14523-An-average-of-standard-deviations
3. How to 'sum' a standard deviation?, http://stats.stackexchange.com/questions/25848/how-to-sum-a-standard-deviation 
4. Perhitungan rerata standar deviasi dari rumus [1]  dan [3], https://docs.google.com/spreadsheets/d/1K-EJFkrt8fSi1frczUK6fsUe6bIKB6aH4iTWHzUPSP0/pubhtml?gid=0&single=true
   
   Average of standard deviation makes sense?
   
   Reference https://www.physicsforums.com/threads/average-of-standard-deviation-makes-sense.588433/