STATS&PROB
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LESSON 1-4
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6 Terms
1
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Random Variable
A numerical quantity that is assigned to the outcome of an experiment.
2
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Probability
is the chance or likelihood that an event will happen.
3
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Probability Distribution
is a correspondence that assigns probabilities to the values of a random variable.
4
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Possible Distribution
is a listing of the possible values and the corresponding probabilities of a discrete random variable or a formula for the probabilities.
5
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Variance and Standard deviation
are two values that describe how scattered or spread out the scores are from the mean value of random variable.
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Mean
is the central value or average of its corresponding probability mass function.
Note 
Flashcards (58)