What Is a Confidence Interval? In statistics, a confidence interval is a range of values likely to contain a population parameter that is unknown. Analysts often use confidence level values of 95% ...

The likelihood ratio method is used to construct a confidence interval for a population mean when sampling from a population with certain characteristics found in many applications, such as auditing.

Confidence Interval Conversely, the confidence interval is a statistical measure that produces an estimated range of values that is likely to include an unknown population parameter. For example ...