Question

What is formula for Standard Deviation (σ)

Answer 1

Answer:

$sd = \sqrt{ \frac{ fx {}^{2} }{f} - ( \frac{fx}{f}) {}^{2} }$

Answer 2

Answer:

What is formula for Standard Deviation (σ)

In Individual series

☙$\huge \mathfrak{\pink{ \fbox{ \green{S.D}}}}$

Step-by-step explanation:

formula of Standard Deviation

[ σ= nx²−( nx ²) / n ]

hope it's helpful thanks