Association Positive, Negative

Which scatter plot has a stronger association? How do you know?

• Scatter Plot A

  points are close together

• Scatter Plot B

  points are more linear

Which scatter plot appears to be linear

• Scatter Plot A

• Scatter Plot B

Which would NOT likely be the variables represented on the scatter plot.

• The number of miles driven and the gallons of gas used.

• The number of students in a school and the number of unused lockers

• the number items ordered at a restaurant and the cost of the bill

• the number of customers in a store and the length of the wait at the register

What type of association 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 type of association does this scatter plot represent?

• positive linear association

• negative linear association

• no association

• nonlinear association

What type of association does this scatter plot represent?

• positive linear association

• negative association

• no association

• nonlinear association

Pick the best description of the association

• Positive linear weak association with clusters

• Positive linear strong association

• Negative non linear weak association

• positive non linear association

Which statement is the most accurate interpretation of the data?

• As time went by, the temperature tended to decrease

• As time went by the temperature tended to increase

• There is no relationship between time and temperature.

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association