Question

question 17 of 25
which of these r-values represents the weakest correlation?
a. -0.55
b. -0.35
c. -0.75
d. -0.15

Explanation:

Step1: Recall correlation strength rule

Correlation strength depends on the absolute value of $r$, where values closer to 0 mean weaker correlation.

Step2: Calculate absolute values

$|A| = |-0.55| = 0.55$, $|B| = |-0.35| = 0.35$, $|C| = |-0.75| = 0.75$, $|D| = |-0.15| = 0.15$

Step3: Compare absolute values

$0.15 < 0.35 < 0.55 < 0.75$, so $-0.15$ has the smallest absolute value.

Answer:

D. -0.15