For (archmage) only

1.  You have the following data.

group=c(0,0,0,0,0,1,1,1,1,1)

intelligence=c(100,90,110,120,130, 85,90,95,80,90)

Run a t-test for this data.  Discuss the results

 

2.   Provide an example where a t-test would be useful in health care.  Make up a small dataset and run a t-test in R.  Discuss the meaning of it.