Mathematics · Sampling Distribution
Standard Error (SE) of sample mean (x̄) in random sampling from an infinite population or in random sampling with replacement is given by (where σ is the population standard deviation):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1SE = σ√n✓
- 2SE = σ3√n
- 3SE = σ√n2
- 4SE = σ2√n
Correct answer
SE = σ√n
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