Scatter Plots Trend Lines Association

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

When the data closely resembles a line

• Strong Correlation

• Weak Correlation

• No Correlation

• Correlation

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

What type of association does this graph have?

• positive 

• negative

• no association

• non linear association

Describe the association between the number of lanes rented and the number of people bowling.

• Non-linear association

• Negative linear association

• No association

• Positive linear association

Which scatter plot could have a trend line whose equation is y = 3x + 10?

• A

• B

• C

• D

Sammy is selling his comic book collection on the internet. The scatterplot shows how many comic books he has left at the end of each day. Using the trend line, how many comic books should Sammy have left after 6 days?

• 15

• 10

• 30

• 8

Which scatter plot could have a trend line whose equation is y hat= 3x + 10?

• A

• B

• C

• D

What type of association does this graph have?

• positive 

• negative

• none

• all of the above