t test in R statistics HD

This brief video demonstrates step by step how to take a two column data set from MS Excel into a tab delimited txt file; import that data table into R, perform a few tasks with R to reveal characteristics of the data table, e.g., descriptive statistics, and then to run a t-test. I got started on showing how to do the t-test in Excel but ran out of recording time. Try to figure out the rest in Excel by trial and error.