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Competitive Stats
Q11Section I (Objective (Q1–Q80))11 of 80

Standard error from a confidence interval

If 95%95\% confidence interval for μ\mu with Zα/2=1.96Z_{\alpha/2}=1.96 is (400,407.84)(400,407.84) and the sample size is large, the value of the standard error of mean Xˉ\bar X will be:

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