CI for Mean (σ Unknown)

Statistics · Axiom Academy

LESSON CI for Mean (σ Unknown) Constructing confidence intervals using the t-distribution when population standard deviation is unknown 3 The Confidence Interval Formula t* = critical t-value (from t-table with df = n - 1) You now understand how to construct confidence intervals for the mean when σ is unknown using the t-distribution.

This is the written version of the interactive lesson above. See the full Statistics course.