Mathematics
Grade10
Easy

Question

What is the symbol for standard deviation when the data set is the population?

  1. β
  2. σ
  3. π
  4. ψ

hintHint:

space s tan d a r d space d e v i a t i o n space i s space a space m e a s u r e space o f space t h e space s p r e a d space left parenthesis v a r i a b i l i t y right parenthesis space o f space t h e space s c o r e s space o n space a space g i v e n space v a r i a b l e space a n d space i s space r e p r e s e n t e d space b y
sigma space equals space square root of space space fraction numerator capital sigma space left parenthesis space X i space – space mu space right parenthesis squared over denominator N end fraction end root

The correct answer is: σ


    sigma space comma space i s space t h e space c o r r e c t space c h o i c e
T h e space s y m b o l space ‘ sigma ’ space r e p r e s e n t s space t h e space p o p u l a t i o n space s tan d a r d space d e v i a t i o n
T h e space p o p u l a t i o n space s tan d a r d space d e v i a t i o n space i s space a bold space bold italic m bold italic e bold italic a bold italic s bold italic u bold italic r bold italic e bold space bold italic o bold italic f bold space bold italic t bold italic h bold italic e bold space bold italic s bold italic p bold italic r bold italic e bold italic a bold italic d bold space bold left parenthesis bold italic v bold italic a bold italic r bold italic i bold italic a bold italic b bold italic i bold italic l bold italic i bold italic t bold italic y bold right parenthesis bold space o f space t h e space s c o r e s space o n space a space g i v e n space v a r i a b l e

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