How can I find the mean and the standard deviation of X^2?
1301
Expected value and standard deviation of $X^2$ in terms of moments of $X$
142777
Skewness, kurtosis and how many standard deviations values are from the mean
81851
Testing equality of variances without the data, just from the variances and the mean
37441
How to calculate the expected value of a standard normal distribution?
78386
Finding the moment generating function of the product of two standard normal distributions
66905
Variance of Binomial Distribution $E[X^2]$
101055
How to calculate a mean and standard deviation for a lognormal distribution using 2 percentiles
43593
half-derivative of $x^2$
23476
Derivation of mean and variance of Hypergeometric Distribution
16434
Finding the distribution of $5X_{1}^2+2X_{1}X_{2}+X_{2}^2$
154617
Mean, Average and Expectation
96914
What does the size of the standard deviation mean?
105433
Graphing $y = \frac{x^2-4}{x-2}$
67450
How do you integrate $e^{x^2}$?
120275
How do I obtain the "final" standard deviation from a series of values containing individual (also null) SD values?
32122
Find the coefficient of the term $x^2$ in $\left(x+\frac 2x\right)^{4}$
117810
Transform Data to Desired Mean and Standard Deviation