- A4
- B2
- C2.14
- D1.5
Step-by-Step Solution
Mean . Squared deviations: 9, 1, 1, 1, 0, 0, 4, 16, total 32. Variance , SD .
Answer: B) 2
Find the standard deviation of 2, 4, 4, 4, 5, 5, 7, 9 (use n as the divisor).
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