Unit 6 Review: Data

What is the type of correlation?

• Negative 
• no association
• positive 

What type of correlation does this graph have?

• positive
• negative
• none
• all of the above

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.

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

• Graph A
• Graph B
• Graph C
• Graph 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

The size of a dog and the amount of dog food needed

• Positive correlation

• Negative correlation

• No correlation

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

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

• A
• B
• C
• D