The arithmetic mean of the numbers 12, 18, 24, and 30 is: MCQ with Answer and Explanation

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The arithmetic mean of the numbers 12, 18, 24, and 30 is:

A. 20

B. 24

C. 21

D. 22

Answer: Option C

Solution (By JKSSB Mock Tests)

Arithmetic mean = (12 + 18 + 24 + 30) / 4 = 84 / 4 = 21. This is the sum of observations divided by the number of observations.

This question belongs to: Accountancy and Statistics Statistics

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Correct Answer: Option B

Explanation:
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This question belongs to: Accountancy and Statistics Statistics

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