Question

3.2.3 quiz: correlation which graph best represents the following situation? as x increases, y decreases; r = -0.87.

Explanation:

Step1: Analyze correlation coefficient

A negative correlation coefficient ($r = - 0.87$) means as $x$ increases, $y$ decreases.

Step2: Examine scatter - plot patterns

We need to find a scatter - plot where the points generally trend downwards from left to right.

Answer:

A. Graph A