Large & Small Sample Confidence Interval for Mean – Theory
Confidence Interval for Mean, µ. Large-sample 100*(1-α)% Confidence interval using Z-distribution where Zα/2 is the z-value corresponding to an area α/2 in the tail of the standard normal distribution, and σx ̅ is the standard deviation of the sampling distribution, σ is the population standard deviation, and s is the standard deviation of the sample. …
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