Finding the Correlation Coefficient in the Calculator

Determine the Correlation Coefficient and decide whether it is weak, moderate, or strong.

• -0.19 weak

• -0.19 moderate

• 0.04 weak

• 0.04 strong

Estimate the correlation coefficient

• r = 1

• r = -1

• r ≈ -0.8

• r ≈ 0.8

• r ≈ -0.5

Estimate the correlation coefficient

• r=-1

• r=1

• r=-0.5

• r=0.5

Estimate the correlation coefficient for this scatterplot.

• r = -0.9

• r = 1

• r = 0.9

• r = -1

Determine the correlation coefficient of the given data.

• - .5477

• .1770

• .8956

• - .9463

Estimate the correlation coefficient for this scatterplot.

• r = 1.2

• r = 0.89

• r = 0

• r = -0.89

Estimate the correlation coefficient.

• r=0

• r=-1

• r=1

• r=2

Estimate the correlation coefficient.

• r=1

• r=-1

• r=0.5

• r=-0.5

The table shown is comparing a person's foot length to their height in cm. Calculate the correlation coefficient.

The chart below tracts starting salaries for health care workers since the year 2000. Using linear regression, find the correlation coefficient (r). Round decimals to 3 places.