Download files: https://people.highline.edu/mgirvin/AllClasses/210Excel2013/Ch10/Ch10.htm
Topics in this video:
1. (00:13) Intro for formulas for building a Confidence Interval for Population Differences Sigma NOT Known, T Distribution
2. (03:54) Example in Excel of building a Confidence Interval for Population Differences Sigma NOT Known, T Distribution. See how to make the complicated degrees of freedom calculation less complicated by using Excel. T.INV function, COUNT function, AVERAGE function, STDEV.S function, SQRT function and SUM function.