Scatter Plots and Correlation Test Review

The scatter plot below shows John’s scores in the seven math and science chapter tests this semester. Which statement best describes the association between his math and science test scores?

• positive, linear, no outliers

• negative, linear, no outliers

• positive, linear, one outlier

• negative, linear, one outlier

Which statement describes the relationship between the data sets displayed on the scatterplot?

• The number of pets owned by a student increases as the student’s science test score increases.

• The number of pets owned by a student decreases as the student’s science test score increases.

• The number of pets owned by a student remains the same as the student’s science test score increases.

• There is no relationship between the number of pets owned by a student and the student’s science test score.

A used-car dealer kept records of the selling price of his used cars in 2005. The scatterplot shows the average selling price of his used cars based on the age of the used car. Using the graph, which is the closest to the selling price of an 8-year-old car?

• $7500

• $5000

• $2500

• $500

Which situation would most likely have a scatterplot with a negative correlation?

• age of a baby and weight of that baby

• outside temperature and cooling costs

• amount of air in a balloon and size of balloon

• number of questions missed on a test and test grade

Name the correlation in this graph

• Negative Correlation

• No Correlation

• Lots of Correlation

• Positive Correlation

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

• A

• B

• C

• D

Name the correlation in this sentence: The number of people in an audience and ticket sales. 

• No Correlation

• Positive Correlation

• Negative Correlation

• Lots of Correlation

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

• A

• B

• C

• D

Which scatter plot shows a negative relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Which scatter plot show a linear relationship?

• Graph A

• Graph B

• Graph C

• Graph D

• None of these