Scatter Plots and Association

Ms. Glenn's class did a survey about the number of chores students did and the amount of allowance that student earned. Bryan thinks the association is negative because they found that as the number of chores decreased, the amount of allowance also decreased. Is Bryan correct?

• Bryan is correct. The variables decreased so the association is negative.

• Bryan is incorrect. The variables have no effect on each other.

• Bryan is correct. The variables move in opposite directions.

• Bryan is incorrect. if the variables move together, then the association is positive.

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

What is the correlation?

• Negative correlation

• No correlation

• Positive correlation

• All of the above

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

• none

• non-linear

• linear

Tags

8.11.A

What can you say about this relationship?​

As age ​ (a)   study time ​ (b)  

• none

• decreases

• increases

Tags

8.11.A

Which scatter plot could be used to show the relationship between a person's age and a person's height?

• #3

• #4

• #5

• #6

What type of association does this scatter plot represent?

• positive linear association

• negative association

• no association

• nonlinear association

Mrs. Dominick's class did a survey about the number of chores students did and the amount of allowance that student earned. Bryan thinks the association is negative because they found as the number of chores decreased, the amount of allowance decreased. Is Bryan correct?

• Yes, if both variables are decreasing that is a negative association.

• No, if both variables are decreasing that is a positive association.