Correlation and R Value Review

• -0.755

• -0.325

• 0.325

• 0.755

If there is a very strong positive correlation between two variables, a causal relationship exists between the two variables.

• True

• False

Given the following Scatter Plot, select the option that is most likely the r value.

Given the following Scatter Plot, select the option that is most likely the r value.

Find the line of best fit

• y = 0.27x + 5.8

• y = 5.8x + 0.27

• y = 6

• y = 0

Which scatter plot shows no relationship?

• Graph A

• Graph B

• Graph C

• Graph D

What is the correlation for the following Scatter Plot.

• Weak Positive

• No Correlation

• Strong Negative

• Weak Negative

• Strong Positive

What is the correlation for the following Scatter Plot.

• Weak Positive

• No Correlation

• Strong Negative

• Weak Negative

• Strong Positive

Given the following Scatter Plot, select the option that is most likely the r value.

r = -0.3 is considered to have...

• moderate negative correlation

• weak negative correlation

• no correlation

• strong negative correlation