CrashCourse: Confidence Intervals: Crash Course Statistics #20 (13:01)
A confidence interval (CI) is a type of interval estimate, instead of a point estimate, of a population parameter.
Statisticians use a confidence interval to describe the amount of uncertainty associated with a sample estimate of a population parameter.
Marin: Confidence Interval Concept Explained (8:15)
Marin: Confidence Interval for Mean with Example (13:30)
Dr Nic's: Understanding Confidence Intervals (4:02)