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Commit 74bec549 authored by Robert Ricci's avatar Robert Ricci

Add some clarifying comments

parent e940cbaa
......@@ -29,7 +29,7 @@ Part C: Probability of time being between 8 and 12s
Part D: 95% of exection time
Invert the PDF:
qnorm basically inverts the PDF, and has range 0 ... 1
x2 = seq(0,1,by = 0.01)
plot(x2,qnorm(x2, mean = 10, sd = 2))
......@@ -104,6 +104,9 @@ Difference between the systems: (paired)
Part A: Graph the CIs
(REMEMBER! This is a two-sided CI, so the real CI is twice as wide
as the numbers you'll see in the graph.)
x3 <- seq(.80,.99, by = .01)
plot(x3,mean(diff) - (qnorm(x3)*sd(diff))/sqrt(length(diff)), type='l', ylim=c(-1000,3000))
lines(x3,mean(diff) + (qnorm(x3)*sd(diff))/sqrt(length(diff)))
......
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