Scatter Plots Can Help Determine

What is a scatter plot?

• A graph that shows the relationship of two data sets.

• A graph drawn using rectangular bars to show how large each value is.

• A graph that shows information that is connected in some way.

• A graph that shows data changing over time.

When constructing a scatter plot, what does a downward trend indicate about the relationship between the two variables being plotted?

• A positive correlation.

• A negative correlation.

• No correlation.

• The correlation cannot be determined without more information.

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

• 20 hours

• 35 hours

• 45 hours

• 15 hours

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 shows no relationship?

• Graph A

• Graph B

• Graph C

• Graph D

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 scatter plot shows a linear relationship between x and y?

• 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 type of correlation does this graph have?

• Negative

• no association

• positive