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Distributions - Coggle Diagram
Distributions
Poisson Distribution
Random discrete events over a continuous interval. Usually presented as a rate or average per interval.
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The rate at which an event occurs is constant. The smaller the time interval, the smaller the probability of the event occurring.
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Triangular Distribution
Where we know maximum, minimum and mode values and we assume a linear increase from minimum to mode and then down to the maximum.
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Normal Distribution
Bell shaped curve. A measured quantity in a measured interval. Often a good representation for naturally occurring measurement data.
Inverse finds mean, using z = (x-μ)/σ
Continuity corrections
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eg, 7 and 12 becomes 7.5 and 12.5
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