This video carries on from "Understanding Confidence Intervals" In this video we introduce a formula for calculating a confidence interval for a mean. It uses graphics and animation to help understanding. 0:00 Introduction 1:50 Level of confidence 3:00 An example using a sample of apples from the orchard 4:18 Important clarification about what the confidence interval is NOT. 4:35 Example of lots of confidence intervals from the same population See for all of Dr Nic's videos organised by topic. #DrNicStats #Statistics