Mathematics · Variance and Standard Deviation
निम्नलिखित में से कौन-सा व्यंजक समष्टि प्रसरण (σ2) को सही ढंग से व्यक्त करता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1σ2 = Σ(xi − x̄)n
- 2σ2 = Σxi2n
- 3σ2 = Σ(xi − x̄)2n − 1
- 4σ2 = Σ(xi − x̄)2n✓
सही उत्तर देखें
σ2 = Σ(xi − x̄)2n
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