Linear Association

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

• Graph A

• Graph B

• Graph C

• Graph D

What type of association (correlation) does this graph have?

• positive

• negative

• none

• all of the above

What type of association is there between the variables shown on this scatter plot?

• Strong, Negative Association

• Weak, Negative Association

• Strong, Positive Association

• No Association

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

• 12

• 13

• 14

• 18

Which scatter plot appears to be more linear?

• Scatter plot A,

• Scatter plot B

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

• Graph A

• Graph B

• Graph C

• Graph D

• 4

• 10.75

• 11.75

• 12.75

What association would you expect between the two variables?

• Positive Association

  As the first variable increases, the second variable increases

• Negative Association

  As the first variable increases, the second variable decreases

• No Association

  The first variable has no effect on the second variable

What type of association is there between the variables shown on this scatter plot?

• Strong, Positive Association

• Strong, Negative Association

• Weak, Positive Association

• No Association