The following topics are immediate subtopics of Statistics.

Term: Average
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 Definition: The average of a set of real data, x1,x2,...,xn, is the sum of the values divided by n.

Term: Event
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 Definition: An event is a subset of the Sample Space.

Term: Mean
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 Definition: mean is the arithmetic average of a set of values

Term: Median
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 Definition: The median of a set of real values X1,X2,...,Xn where X1 <= X2 <= ... <= Xn, is the value X_{n/2}, that is the value halfway through the nondecreasing sequence.

Term: Mode
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 Definition: The mode of a data sample is the element that occurs most often in the collection.

Term: Probability
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 Definition: The probability of an event is the number of outcomes in the event divided by the size of the sample space. This assumes that the outcomes in the event are equally likely.

Term: Random
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 Definition: of or characterizing a process of selection in which each item of a set has an equal probability of being chosen.

Term: Sample Space
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 Definition: The sample space is the set of possible outcomes of an experiment.

Term: Standard Deviation
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 Definition: The standard deviation of a statistical population, data set, or probability distribution is the square root of its variance.

Term: Variance
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 Last modified: over 3 years ago
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 Definition: The variance of a random variable or distribution is the expectation, or mean, of the squared deviation of that variable from its expected value or mean. Thus the variance is a measure of the amoun...