We square at the variance and SD is it due a link with to Gaussian function?
83780
Why are we using a biased and misleading standard deviation formula for $\sigma$ of a normal distribution?
147322
Does the square of uniform distribution have density function?
73131
Derivation of the gaussian integral
3401
The variance of linear regression estimator $\beta_1$
88514
Confusion related to gaussian distribution
68116
How to derive this version of variance formula
38858
Explained Variance
62621
Expected value and variance of trace function
139959
Why do some statistics symbols have a "squared", e.g. Variance $\sigma^2$, "R squared" $R^2$ or heritability $H^2$
70447
How is the kurtosis of a distribution related to the geometry of the density function?
103876
Covariance between a normally distributed variable and its exponent
11535
Square root of an inverse gamma distributed random variable
53988
How to compute sample variance?
6590
PCA and proportion of variance explained
46044
Calculating Variance of a binomial distribution using the standard formula $E(X^2) - \mu^2$
46026
How bias arises in using maximum likelihood to determine the variance of a Gaussian?
99062
Intuitive explanation of variance and moment in Probability