How do you interpret an arithmetic mean without knowing the underlying distribution?
132440
Should the mean be used when data are skewed?
11727
How can a distribution have infinite mean and variance?
119104
How does one measure the non-uniformity of a distribution?
84199
What does the $\|$ operation mean in cryptographic notation?
58810
I've heard that ratios or inverses of random variables often are problematic, in not having expectations. Why is that?
101512
Is there an numeric arithmetic with a single operator?
84575
How do you interpret a significant but weak correlation?
116952
how to determine cumulative probability, i.e. the probability of the variable X being less than µ + σ when we do not know X, µ or σ
67246
How would you explain covariance to someone who understands only the mean?
142526
What's the intuition behind difference of $\neg(S\land E)$ and $\neg S \land \neg E$?
56945
What does the math notation $\sum$ mean?
37371
Why is expected value of random variable equal to mean
148433
Using arithmetic mean>geometric mean
8737
A random variable with neither probability density function nor probability mass function... is this example wrong?
146400
When finding outliers from the Interquartile range why I have to multiply by 1.5?
33877
What does $2^x$ really mean when $x$ is not an integer?
103783
How to understand the definition of empirical distribution function