New posts in standard-deviation

Summation of variations $\sigma^2$ of several independent random signals

How to determine if Standard Deviation is high/low

GMAT related question: If the standard deviation of $a,b$ and $c$ is $d$. What is the standard deviation of $105\%$ of $a$ ,$105b/100$ and $1.05c$?

Standard Deviation. Why do we take the square root of the entire equation?

Aggregating standard deviation to a summary point

How can I do standard deviation in Ruby?

How can I calculate "most popular" more accurately?

Standard Deviation in R Seems to be Returning the Wrong Answer - Am I Doing Something Wrong?

Standard deviation of generic list? [duplicate]

How can the standard deviation be interpreted when the range is partially impossible?

Can I calculate the new standard deviation when adding a value without knowing the original set of values?

How do I combine standard deviations of two groups?

Generate random numbers with fixed mean and sd

How can I compute the conditional mean, given a standard deviation?

Add error bars to show standard deviation on a plot in R

Why does numpy std() give a different result to matlab std()?

Standard Deviation in LINQ

Weighted standard deviation in NumPy

Query on the standard deviation formula

Why do statisticians like "$n-1$" instead of "$n$"?