Chapter 4 Test Review (8th)

What is the term used to describe the relationship between two sets of data in a scatter plot that shows a strong and positive association?

• Linear association

• Strong association

• Negative association

• Weak association

Which of the following is NOT a part of a scatter plot?

• Title

• Legend

• X-axis

• Y-axis

From the given graph, what is the linear equation represented by the line?

• y = -3x + 6

• y = 3x + 6

• y = 4x + 6

• y = 2x + 5

What is the term used to describe the relationship between two sets of data in a scatter plot that shows a weak and negative association?

• Positive association

• Weak association

• Linear association

• Strong association

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

As x increases, y increases

• correlation coefficient
• causation
• positive association

• negative association

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

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

• A
• B
• C
• D

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.

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