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Probability distributions · see the mechanism
Every distribution is a story about how the data got made.
Pick one and watch the process that produces it, draw by draw. The histogram underneath is only the record of what that mechanism did. Distributions that look unrelated on paper often turn out to be the same machine, measured a different way — which is why they are grouped by mechanism here rather than alphabetically.
Mechanism family
The mechanism
Press Draw once to run the mechanism.
Observed
True distribution
Histogram bins30
Grid points12
| Increment h | — |
|---|---|
| h ÷ true SD | — |
| Distinct values seen | — |
A continuous quantity written down in round numbers — prices to the nearest thousand, times to the nearest minute, a gauge reading to its last digit.
| Observed mean | — |
|---|---|
| True mean | — |
| Observed SD | — |
| True SD | — |
| Predicted with grid | — |
| Observed min | — |
| Observed max | — |
How it is generated
Peculiarities
Where you will meet it