Linear Models

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

What type of association is displayed on the graph?

• Negative

• no association

• positive

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

Which sentence best supports the relationship shown on this scatter plot?

• The more time spent training, the longer it takes to run 100 m.

• As the time spent training increases, the time to run 100 m decreases.

• As the time spent training decreases, the time to run 100 m decreases.

• There is no apparent association between the amount of time spent training and the time it takes to run 100 m.

What type of association does this scatter plot represent?

• positive linear association
• negative linear association
• no association
• nonlinear association

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

What conclusion can be made about 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

Molly collected data about the number of hours students studied and their scores on a test. The results are shown in the scatter plot. Which conclusion about the data is true?

• As study hours increase, test scores decrease.

• As study hours increase, test scores increase.

• As study hours increase, test scores stay the same.

• As study hours decrease, test scores increase.

Based on the graph, which statement ending would best supports the association?

"As the area of a garden increases, _____________________."

• The number of plants decreases.

• The number of plants stays the same

• The number of plants increases faster.

• The number of plants increases.

What type of association does this scatter plot represent?

• positive association

• negative association

• no association