12.07.2015 Views

Vjeºbe - Statistika Praktikum Statisti£ki testovi (1)

Vjeºbe - Statistika Praktikum Statisti£ki testovi (1)

Vjeºbe - Statistika Praktikum Statisti£ki testovi (1)

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Testovi na dva uzorkaTestovi za dvodimenzionalna obiljeºjaZnamo dai ºelimo testiratiD := X 1i − X 2i ∼ N (µ 1 − µ 2 , σ 2 ),H 0 : µ 1 − µ 2 = 0H 1 : µ 1 − µ 2 ≠ 0 \ µ 1 − µ 2 < 0 \ µ 1 − µ 2 > 0²to se svodi na t-test na jednom uzorku.R sintaksa:t.test(x, y, alternative = c("two.sided", "less","greater"), paired = TRUE)

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!