Scatter Lot, Line of Best Fit, Outliers

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

• A

• B

• C

• There is no line of best fit for this graph because there is no trend.

Identify any outliers.

• Outlier at x = 18

• Outlier at x = 12

• Outlier at x = 6

• There aren't any outliers in this graph.

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

• Graph A

• Graph B

• Graph C

• Graph D

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

• A

• B

• C

• D

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

• To make it look like you know what you are doing

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 line is the best fit for the data? (Half points above the line, half points below the line.)

• 
• 
• 
• 

Identify any clusters.

• Cluster at x = 14

• Cluster at x = 18

• Cluster at x = 24

• There aren't any noteworthy clusters in this graph.

A point far away from the other data points is considered a(n) ____?

• cluster

• scatter plot

• outlier

• variable

What are the coordinates of the outlier?

• (2,1)

• (4,3)

• (1,2)

• There is not an outlier.