Warning! It seems that you are using Dodona within another webpage, so not everything may work properly. Let your teacher know so that he can solve the problem by adjusting a setting in the learning environment. In the meantime, you can click
this link to open Dodona in a new window.
Warning! The page was not fully loaded, probably because of a network issue. It could be that not all functionalities work as expected. Please try reloading the page.
set.seed(20190322)
x <- rnorm(100)
y <- x + rnorm(100, mean=1, sd=10)
test <- t.test(...)