Why do we use squared deviations to compute the SD, given that it amplifies the effect of outliers?
8860
Why square the difference instead of taking the absolute value in standard deviation?
70447
How is the kurtosis of a distribution related to the geometry of the density function?
26636
Why are p-values uniformly distributed under the null hypothesis?
139959
Why do some statistics symbols have a "squared", e.g. Variance $\sigma^2$, "R squared" $R^2$ or heritability $H^2$
58541
What does standard deviation tell us in non-normal distribution
112030
What is the reason the log transformation is used with right-skewed distributions?
56193
How does one go about determining the standard deviation of an entire sample data set?
99062
Intuitive explanation of variance and moment in Probability
41983
What happens when I include a squared variable in my regression?
79930
Standard deviation of revenue where numbers are only positive
92834
Motivation for statistical distributions
141861
What is meant by the variance of *functions* in *Introduction to Statistical Learning*?
105097
Calculating sum of squared deviations in R
11949
How does the standard error work?
85351
Standard Deviation. Why do we take the square root of the entire equation?
56894
Is it a problem to get a negative adjusted r-squared?
122831
Why does putting a 1/2 in front of the squared error make the math easier?