The Poisson Distribution:  Introduction (fast version) @jbstatistics
The Poisson Distribution:  Introduction (fast version)  @jbstatistics
Uploaded May 2012 | Updated September 2026, 2 hours ago
A brief introduction to the Poisson distribution. I discuss the conditions required for the Poisson distribution to hold, discuss the formula, and look at a simple example. I end off with a brief discussion of the relationship between the binomial distribution and the Poisson distribution.

Those wanting a slightly slower and more refined introduction can watch my updated version of this video at: youtu.be/jmqZG6roVqU.

I discuss the when a random variable has a binomial distribution in a little more detail in my "Poisson or not" video, available at: youtu.be/PLjcH44Ky0A
The Poisson Distribution:  Introduction (fast version)Finding Percentiles Using the Standard Normal Table (for tables that give the area to left of z)The Sample Variance: Why Divide by n-1?Hypothesis Tests on One Mean:  A t Test ExampleBasics of Probability: Unions, Intersections, and ComplementsThe Hypergeometric Distribution: An Introduction (fast version)Calculating Power and the Probability of a Type II Error (A One-Tailed Example)Standardizing Normally Distributed Random Variables (fast version)Introduction to the Negative Binomial DistributionUsing the Chi-square Table to Find Areas and PercentilesThe Normal Approximation to the Binomial DistributionChi-square tests for count data: Finding the p-value (old, fast version)
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The Poisson Distribution: Introduction (fast version)

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