Find the standard deviation of the numbers: 3, 5, 7, 9, 11.

Topic: Statistics
Subtopic: Standard Deviation

A2.0

B2.83

C4.0

D8.0

Explanation

Mean = 7. Squared deviations: 16, 4, 0, 4, 16. Variance = 40 / 5 = 8. Standard Deviation = Sqrt(8) ≈ 2.83.

Exam Relevance

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