Mathematics · Sampling Theory
मान लीजिए कि माध्य μ और प्रसरण σ2 वाली समष्टि (population) से आकार n का एक प्रतिदर्श (sample) लिया जाता है। प्रतिदर्श माध्य x̄ की मानक त्रुटि (standard error) क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1σ
- 22σ√n
- 3σn
- 4σ√n✓
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σ√n
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