Independent Samples t Test

> ### Descriptive Statistics
> 
> by(Outcome,Factor,mean)
Factor: 1
[1] 2
----------------------------------------------------------------------- 
Factor: 2
[1] 6
> by(Outcome,Factor,sd)
Factor: 1
[1] 2.44949
----------------------------------------------------------------------- 
Factor: 2
[1] 2.44949
> 
> ### Inferential Statistics
> 
> t.test(Outcome~Factor,var.equal=T)

	Two Sample t-test

data:  Outcome by Factor
t = -2.3094, df = 6, p-value = 0.06032
alternative hypothesis: true difference in means between group 1 and group 2 is not equal to 0
95 percent confidence interval:
 -8.2381756  0.2381756
sample estimates:
mean in group 1 mean in group 2 
              2               6