Mathematics · Statistics
The sample variance (v or s2) of a dataset is determined by which of the following formulas?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1s2 = -b ± √b2 - 4ac2a
- 2s2 = ∑ n!k!(n-k)! xk an-k
- 3s2 = πr2
- 4s2 = ∑(xi - x̄)2n - 1✓
Correct answer
s2 = ∑(xi - x̄)2n - 1
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