Correlation Coefficient

• strong positive

• strong negative

• weak positive

• weak negative

• strong positive

• strong negative

• weak positive

• weak negative

• strong positive

• strong negative

• weak positive

• weak negative

• strong positive

• strong negative

• weak positive

• weak negative

• strong positive

• strong negative

• weak positive

• weak negative

• strong positive

• strong negative

• weak positive

• weak negative

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

As x increases, y decreases.

• A) no correlation

• B) negative correlation

• C) correlation coefficient

• D) positive correlation

As x increases, y increases

• A) correlation coefficient

• B) causation

• C) positive correlation

• D) negative correlation