Guess the Correlation

Guess the correlation

• .88

• .48

• .73

• .87

• r = .81
• r = .51
• r = .42
• r = -.50

• r = .84
• r = .52
• r = .36
• r = -.59

What type of correlation does this graph have?

• Positive correlation

• Negative correlation

• No correlation

• Constant correlation

Determine the correlation coefficient of the given data.

• - .5477

• .1770

• .8956

• - .9463

An experiment was conducted to examine the relationship between two variables. The correlation coefficient r was determined to be -0.9542. Which TWO statements best describes the relationship between the two variables in the experiment?

• There is a weak negative correlation between the two variables

• There is a strong negative correlation between the two variables

• One can conclude a change in the independent variable causes the change in the dependent variable

• One can not conclude a change in the independent variable causes the change in the dependent variable

Which correlation coefficient best describes the correlation shown?

• 0

• -0.75

• -0.3

• 0.3

As shown in the table, a person's target heart rate during exercise changes as the person gets older. Use the graphing calculator to find the correlation coefficient (r).

• -0.999

• -0.664

• 0.998

• 1.503

As shown in the table, a person's target heart rate during exercise changes as the person gets older. Find the correlation coefficient (r).

• -0.999

• -0.664

• 0.998

• 1.503

In a scatter plot, if the points are mostly clustered around a line that slopes downward from left to right, what type of correlation is indicated?

• Positive correlation

• Negative correlation

• No correlation

• Perfect correlation