Specialist Mathematics · Unit 4 · Statistical inference · Confidence intervals for means

Understand and use the approximate confidence interval (𝑥̅ − 𝑧 𝑠 √𝑛, 𝑥̅ + 𝑧 𝑠 √𝑛), as an interval estimate for 𝜇, the population mean, where 𝑧 is the appropriate quantile for the standard normal distribution.

Learning objective 2 of 7 in this subtopic