Hypothesis Testing (Leaving Cert Mathematics): Flashcards

$r$

$\rho$

$H_0: \rho = 0$ (no correlation)

Statistics mode

$y = a + bx$

$r >$ critical value

$r <$ negative critical value

Insufficient evidence to suggest population correlation

Sufficient evidence to suggest population correlation

Sample size $n$ and significance level

$H_1: \rho > 0$

$H_1: \rho \neq 0$