0:00:00.000,0:00:07.000
Now for the mean is 0.7 and we get 0.28 for the term in the right.

0:00:07.000,0:00:13.000
In my calculation, σ² is 0.21 and when I apply my magic formula,

0:00:13.000,0:00:18.000
plugging in N=10, I get this guy right over here.

0:00:18.000,9:59:59.000
What's interesting is this CI term is now smaller because they have a larger sample.