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Test Hypotheses about a Population Mean with Unknown
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Expected Values
The predicted average of all possible outcomes of a random variable, weighted by their probabilities.
Weighted Average
A calculation that takes into account the varying degrees of importance of the numbers in a data set.
Mean Values
Statistical measures representing the average value in a set of data, calculated by summing all observations and dividing by the number of observations.
Individual
A single human being as distinct from a group, class, or family.
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