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Wednesday, October 29, 2014

Poisson Distribution



Below is my Google Docs Spreadsheet for Poisson Distributions:

This sheet you cannot change because I have it locked, but if you would like access so you can use my sheet, and just put in your data and get the answer - email me: messenger1964@yahoo.com

Link to Poisson Distribution Page - CLICK HERE!
(Use Math Stat Dist II tab at bottom ~ scroll to right for Poisson) 


Poisson Distribution
axnλe^(-λ)AnswerROUND (4th)
Formula41020.135335283236613
P(X=x) = (λ^(x))*e^(-λ)/x!0.0902235221577420.0902
Google Sheets Formula = (=P3^(N3)*(Q3/FACT(N3)))(=ROUND(U4,4))
Google Sheets Function
[=POISSON(x,λ,0)]0.0902235221577420.0902
Google Sheets Formula = (=POISSON(N3,P3,0))
bynλe^(-λ)AnswerROUND (4th)
Formula51030.049787068367864
P(X=x) = (λ^(x))*e^(-λ)/x!0.1008188134449240.1008
Google Sheets Formula = (=P3^(N3)*(Q3/FACT(N3)))
Google Sheets Function
[=POISSON(x,λ,0)]0.1008188134449240.1008
Google Sheets Formula = (=POISSON(N3,P3,0))
AnswerROUND (4th)
Mean
E[X]=μ = λ
μ =22
Variance
Var = σ^(2)=
λ = 22
Standard Deviation
St.Dev = √σ1.41421356237311.4142
Moment Generating Function
e^((λ)*(e^(t)-1))
Third Moment of X about the Mean =
E[(X-μ)^(3)]=
λ =
axnλe^(-λ)AnswerROUND (4th)
41020.1353352832366130.0902235221577420.0902
bynλe^(-λ)AnswerROUND (4th)
51030.0497870683678640.1008188134449240.1008
Google Sheets Function (All)
POISSON(x, mean, cumulative)
P{X=x} [=POISSON(x,λ,0)]0.0902235221577420.0902
P{X≤x} [=POISSON(x,λ,1)]0.9473469826562890.9473
P{X<x} [=POISSON(x-1,λ,1)]0.8571234604985470.8571
P{X>x} [=1-POISSON(x,λ,1)]0.0526530173437110.0527
P{X≥x} [=1-POISSON(x-1,λ,1)]0.1428765395014530.1429
x<y
P{x<X<y} [=POISSON(y-1,λ,1) - POISSON(x,λ,1)]00
P{x<X≤y} [=POISSON(y,λ,1) - POISSON(x,λ,1)]0.0360894088630970.0361
P{x≤X<y} [=POISSON(y-1,λ,1) - POISSON(x-1,λ,1)]0.0902235221577420.0902
P{x≤X≤y} [=POISSON(y,λ,1) - POISSON(x-1,λ,1))]0.1263129310208390.1263
Link to Poisson Distribution Page - CLICK HERE!