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# Expected value stats

Definition of expected value & calculating by hand and in Excel. Includes video. Find an expected value for a discrete random variable. The expected value (or mean) of X, where X is a discrete random variable, is a weighted average of the possible values that X can take, each value being. Expected Value (i.e., Mean) of a Discrete Random Variable. Law of Large Numbers: Given a Sample Statistic, Population Parameter. Mean, \overline{x}, \ mu.
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