Odds and Probability
Standard deviation in everyday language
Standard deviation measures typical scatter around an average. A fair-coin example shows why 100 small bets still swing.
Tag
expectation
4 posts tagged "expectation".
Odds and Probability
Variance: why results swing before they settle
Variance is the spread around an average. It explains wild sessions without turning a streak into a prediction.
Odds and Probability
The law of large numbers without jargon
The law of large numbers says averages settle. It does not say the next result will cancel the last one.
Odds and Probability
What independent events actually mean
Independent events do not remember the past. See what that means for coins, dice and cards, and what it does not mean.