Scatter Plots and Linear Associations

Hector surveyed 500 people and asked them how far they drive to work and what the last digit of their phone number is. He used the results to make a scatter plot.

What type of association should he expect to see in the scatter plot?

• positive association

• negative association

• no association

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

Which scatter plot shows a negative relationship?

• 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

Is the association a positive or negative association?

• Positive

• Negative

Describe the correlation in the graph shown.

• Weak Negative

• Weak Positive

• Strong Negative

• Strong Positive

Describe the association for the graph.

• Linear and Positive

• Linear and Negative

• Non-Linear and Positive

• Non-Linear and Negative

• Non-Linear and No Association

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

What type of correlation does this scatterplot show? ​ ​ ​ ​ (a)  

• none

• non-linear

• linear

Tags

8.11.A

Students recorded the total number of pages and chapters in each of several books on the scatterplot. Based on the scatterplot, which is the best prediction of the total number of pages in a book with 4 chapters?

• 150 pages

• 140 pages

• 90 pages

• 120 pages