If a constant is added to all observations, which of the following measures changes? MCQ with Answer and Explanation

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If a constant is added to all observations, which of the following measures changes?

A. Standard deviation

B. Range

C. Arithmetic mean

D. Variance

Answer: Option C

Solution (By JKSSB Mock Tests)

Adding a constant changes the mean but not measures of dispersion.

This question belongs to: Accountancy and Statistics Statistics

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