Scatter Plots

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases

• As x increases, y increases

• As x decreases, y decreases

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

• Graph A

• Graph B

• Graph C

• Graph D

In this image, how would you describe the point that does not fit the pattern of the other dots?

• The point is a linear model.

• The point is an outlier.

• The point is the range.

• The point is the median.

The scatterplot below suggests which of the following types of data relationship?

• Weak, negative

• weak, positive

• strong, negative

• strong, positive

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

• 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

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

• A

• B

• C

• D

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

Describe the correlation in the graph shown.

• Weak Negative

• Weak Positive

• Strong Negative

• Strong Positive

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

• 25 hours

• 35 hours

• 45 hours

• 15 hours