Sample mean is always an optimal estimator of the mean?
37371
Why is expected value of random variable equal to mean
109310
Understanding “the mean minimizes the mean squared error”
72113
Geometric mean never exceeds arithmetic mean
84076
Basic intuition about minimal sufficient statistic
4064
An equality involving the mean value property
9881
Statistical inference when the sample "is" the population
36606
Why the standard deviation of the sample mean is calculated as $\frac{\sigma}{\sqrt{n}}$?
20570
What is the distribution of sample means of a Cauchy distribution?
41930
Mean of $ \sum (X_i - \bar{X})^2$
94994
Optimal estimation of a single parameter given data at different scales
42132
100% confidence interval for mean
54706
Testing symmetry of a distribution around its mean
33731
Geometric mean of uniform variables
83511
MCMC in a frequentist setting
15530
Variance of sample mean.
73588
Probability mass function of the sample mean
77645
Generalized mean value theorem