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Results tagged with t-test
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user 195930
A test for comparing the means of two samples, or the mean of one sample (or even parameter estimates) with a specified value; also known as the "Student t-test" after the pseudonym of its inventor.
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Calculating one-and two-tailed t-tests manually in R
I have two samples d1 and d2:
d1 <- c(18,21,16,22,19,24,17,21,23,18,14,16,16,19,18,20,12,22,15,17)
d2 <- c(22,25,17,24,16,29,20,23,19,20,15,15,18,26,18,24,18,25,19,16)+5
d <- d2-d1
In order to per …
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