Line of Best Fit

What type of association (correlation) does this graph have?

• positive
• negative
• none
• all of the above

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

• Yes

• No

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

which scatterplot shows the correct trend line (line of best fit) for the relationship showing the number of bags of chocolates that are sold and the price per bag?

• A

• B

• C

• D

Which scatterplot shows the correct trend line (line of best fit) for the relationship shown?

• Graph A

• Graph B

• Graph C

• Graph D

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

What is the y-intercept?

• -2

• 3

• 2

• -3

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

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

• Yes

• No