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Mathematical Expression for Mean

Which of the ...

Question

Which of the following statement(s) is/ are false?

A

Mean is rigidly defined

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B

Mean is not affected by due to sampling fluctuation

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C

Mean has some mathematical properties

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D

All of above

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Solution

The correct option is B Mean is not affected by due to sampling fluctuation
Arithmetic mean refers to the average amount in a given group of data. It is defined as the summation of all the observation in the data which is divided by the number of observations in the data. Therefore, mean is affected due to sampling fluctuation because it includes all the data in a series.

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