Correlation Coefficient

Describe a correlation with a coefficient of r=-0.89

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Describe a correlation with a coefficient of r=0.3

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Which graph represents data that has a correlation coefficient close to -1?

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• 
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• strong positive

• strong negative

• weak positive

• weak negative

If r=0 , then there is...

• Negative association

• No correlation

• Positive association

Describe the relationship between the variables.

• Strong positive correlation

• Strong negative correlation

• Weak negative correlation

• Weak positive correlation

Estimate the correlation coefficient

• r=1

• r=-1

• r=0

• r=-0.5

Estimate the correlation coefficient.

• r=-1

• r=1

• r=-0.5

• r=0.5

Describe the relationship between the variables.

• no correlation

• strong positive correlation

• strong negative correlation

• weak positive correlation

Describe the relationship between the variables.

• Strong positive correlation

• Weak positive correlation

• Strong negative correlation

• Weak negative correlation