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drevicko
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For completeness, there are also distributions for which the mean is not well defined. A classic example is the Cauchy distribution (this answer has a nice explanation of why). Another important example is the power lawPareto distribution with exponent greaterless than 2.

For completeness, there are also distributions for which the mean is not well defined. A classic example is the Cauchy distribution (this answer has a nice explanation of why). Another important example is the power law distribution with exponent greater than 2.

For completeness, there are also distributions for which the mean is not well defined. A classic example is the Cauchy distribution (this answer has a nice explanation of why). Another important example is the Pareto distribution with exponent less than 2.

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For completeness, there are also distributions for which the mean is not well defined. A classic example is the Cauchy distribution (this answerthis answer has a nice explanation of why). Another important example is the power law distribution with exponent greater than 2.

For completeness, there are also distributions for which the mean is not well defined. A classic example is the Cauchy distribution (this answer has a nice explanation of why). Another important example is the power law distribution with exponent greater than 2.

For completeness, there are also distributions for which the mean is not well defined. A classic example is the Cauchy distribution (this answer has a nice explanation of why). Another important example is the power law distribution with exponent greater than 2.

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drevicko
drevicko
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For completeness, there are also distributions for which the mean is not well defined. A classic example is the Cauchy distribution (this answer has a nice explanation of why). Another important example is the power law distribution with exponent greater than 2.