\"\"

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Mean of a set is the sum of the values divided by the number of values in the set.

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Mean of two real numbers is, \"\", where a, b are real numbers.

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\"\"                         (Substitute \"\")

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\"\"                                    (Add: \"\")

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\"\"                                   (Divide: \"\")\"\"

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Mean of 116,135 is \"\".

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