Question

which r - value represents the strongest correlation? -0.83 -0.67 0.48 0.79

Explanation:

Step1: Recall correlation - r - value concept

The strength of a correlation is determined by the absolute value of the correlation coefficient (r - value). The closer the absolute value of r is to 1, the stronger the correlation.

Step2: Calculate absolute values

For \(r = 0.79\), \(|0.79|=0.79\); for \(r = 0.48\), \(|0.48| = 0.48\); for \(r=-0.67\), \(|-0.67|=0.67\); for \(r = - 0.83\), \(|-0.83|=0.83\).

Step3: Compare absolute values

We compare \(0.79\), \(0.48\), \(0.67\), and \(0.83\). Since \(0.83>0.79>0.67>0.48\).

Answer:

-0.83