Mathematics · Standard Error Formula
In random sampling from an infinite population (or sampling with replacement), the Standard Error (SE) of the sample mean x̄ is given by which formula?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1SE = σn - 1
- 2SE = σ√n
- 3SE = σ√n✓
- 4SE = σ2n
Correct answer
SE = σ√n
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