T-Test for NSAT
Paired t-test for Viz. course. Use two tail or one tail - less than as the goal is to see a statistical significance on improvement.
Exercise for the course: Visualization, Analytics and Story Telling.
![T-Test][1]
[1]: https://microsoft.sharepoint.com/teams/ddsg/_layouts/15/Lightbox.aspx?url=https://microsoft.sharepoint.com/teams/ddsg/Shared%2520Documents/DDSG%2520Events/Visualization/images/T-test.PNG
