Scatter Plots - Unit Practice

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

• A
• B
• C
• D

What is the type of association?

• Negative

• no association

• positive

What type of association does this graph have?

• positive

• negative

• none

• all of the above

• linear

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

Select the statement that correctly compares the relationship between x and y.

• Line A, as all of the data is below the line.

• Line B, as it goes through two points and it increases with the data.

• Line C, as it goes through three points and approximately half of the data is above the line and half of the data is below the line.

• Line D, as all of the data is above the line and it increases as the data increases.

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance

Describe the correlation in the graph shown.

• Strong Negative

• As the cost of a TV goes the number of TV's sold goes down.

• Weak Negative

• Weak Positive

• Interpretation of the graph is: As the cost of a TV goes down the number of TV's sold goes up.

Choose the correct variable relationship statement for the following graph.

• As the years decrease, the number of newspapers go down.

• The more time that passes, the number of newspapers sold goes down.

• Every year you sell 10 less newspapers.

• As time passes, we sell more newspapers.

Choose the correct variable relationship statement for this graph.

• The higher the elevation, the lower the highest point is.

• As elevation decreases, the highest point increases.

• As elevation increases, the highest point increases.

• There is no relationship among elevation and high points.