Further Correlation & Regression (A Level only) (Edexcel A-Level Mathematics): Quizzes

$\rho = 0$ (no correlation)

$r$ is sample, $\rho$ is population

Select 'Statistics' mode

$0.8783$

When $r$ > critical value

Insufficient evidence of correlation

Negative of the positive value

$H_1: \rho > 0$

$0.8745$

Reject $H_0$

2.5% significance level

$H_1: \rho \neq 0$