LESSON THREE: Mean and Variance of A Discrete Probability Distribution
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Last updated 1:13 PM on 8/26/25
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5 Terms
1
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Mean (μ)
this is the theoretical average of a random variable.
2
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standard deviation (σ)
is the measure of the data from the mean.
3
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variance (σ2)
this is the square of the standard deviation.
4
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Sigma
How do you pronounce the sign for standard deviation?
5
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Mu
How you pronounce the sign for the mean?
Note 
Flashcards (40)