Question

Which formula gives the standard deviation of a data set?

Ο Α.
Ο Β.
Σ(x-x)
(n+1)
Σ(x-x)
(n-1)
Σ(x-x)?
)
Σ(x+ x)
C.
A
Ο D.
(n-1)

Answer 1

B

correct me if im wrong

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