Interval Estimation is estimating an unknown parameter using an interval of values that is likely to contain the true value of that parameter (and state how confident we are that this interval indeed captures the true value of the parameter) Tutorial https://bolt.mph.ufl.edu/6050-6052/unit-4/module-11/populations-means-part-1/ Subpages Confidence Interval (CI) Confidence Interval vs Credible Interval Credible／Credibility Interval