Linear Which Correlation Best Describes The Strength Of The Linear Association

A method used to find the line of best fit.

• Association

• Causation

• Line of Best Fit

• Linear Regression

Determine the correlation coefficient of the given data:

• .9820

• -.9643

• 1.409

• .6864

Which graph has a correlation coefficient (r) of about -.6 ?

• a

• b

• c

• d

This measures how strong or weak the relationship between 2 quantitative variables are.

• Scatter Plot

• Causation

• Correlation

• Line of best fit

What does the value, r= -0.89, tell us about the linear relationship of two quantitative variables?

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 

• As the temperature increases, the number of visitors increases. 

• As the visitors increase, the temperature decreases. 

• No correlation