Find the variance of the numbers: 2, 4, 6, 8, 10.

A4

B6

C8

D10

Explanation

Mean = 6. Deviations from mean: -4, -2, 0, 2, 4. Squared deviations: 16, 4, 0, 4, 16. Sum = 40. Variance = 40 / 5 = 8.

Exam Relevance

Topic: Statistics
Subtopic: Variance

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