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OpenStudy (anonymous):
i'm studying for a statistics exam and i dont understand why the mean is sometimes an expectation but sometimes it isnt. can some one explain me what is the difference?
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OpenStudy (amistre64):
how do we define the most expected outcome?
OpenStudy (amistre64):
it has something to do with central tendencies right?
OpenStudy (anonymous):
i'm really new in statistics so i have no idea what central tendencies mean.... i just know that in some exercises they call the mean same as expectancy but dont calculate it the same way
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