Strength

Strong

Most points lie in a narrow straight band.
OR
There is a small amount of scatter in the scatter graph.

Moderate

Most points lie in a wide straight band.
OR
There is a moderate amount of scatter in the scatter graph.

Weak

Cannot see a straight band in the scatter graph.
OR
There is a large amount of scatter in the scatter graph.

Describing strength:

Strong Relationship:

I notice that most points lie in a narrow straight band in the scatter graph.
OR
There is a small amount of scatter in the scatter graph.
This means that the relationship is strong.

Moderate Relationship:

I notice that most points lie in a wide straight band in the scatter graph.
OR
There is a moderate amount of scatter in the scatter graph.
This means that the relationship is moderately strong.

Weak Relationship:

I cannot see a straight band in the scatter graph.
OR
There is a large amount of scatter in the scatter graph.
This means that the relationship is weak.

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