Coordinate Association

Which is the best description of the scatterplot?

• There is a weak, positive, linear relationship between the two variables.

• There is little to no association between the two variables.

• There is a moderate, quadratic relationship between the two variables.

• There is a strong, exponential, positive relationship between the two variables.

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

Which scatter plot diagram shows the strongest positive correlation?

• 
• 
• 
• 

What is the distance between Point K and Point J?

• 11

• 13

• 15

• 17

Luke took ten spelling quizzes during the school year. Luke recorded his score and the number of minutes he studied for each quiz. This information is shown in the scatter plot below. Based on the scatter plot, which statement about the time Luke spent studying would likely be true?

• There is no association between the time Luke spent studying and his quiz score.

• There is a strong negative association between the time Luke spent studying and his quiz.

• There is a linear association between the time Luke spent studying and his quiz score.

• There is a strong positive association between the time Luke spent studying and his quiz score.

In order to investigate the pattern of association between baseball experience and hitting homeruns, Kyle recorded the homerun totals and years of experience of 17 of his favorite baseball players last year. The scatter plot below shows the data he collected. Which two of the following statements best describe the scatter plot shown above?

• The scatter plot shows a nonlinear association.

• The scatter plot shows a positive association.

• The scatter plot shows no outliers.

• The scatter plot shows more than one outlier.

• The scatter plot shows a negative association.

What type of correlation does this graph have?

• positive linear association

• negative linear association

• no apparent association

• non linear association

What is the solution to this system?

• (-3, -4)

• No Solution

• Infinite Solutions

• (0, -4)

• (-2, -3)

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

The graphs of two linear equations are shown. What is the best estimate of the solution to the system of linear equations?

• (2, -5)

• (5, -2)

• (-5, -2)

• (-2, 5)

• (-2, -5)