April 28 HW Alg Pos , Neg & No Association or Correlation

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

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 show?

• positive linear association
• negative linear association
• no association
• nonlinear association

If a scatterplot has no correlation then...

• ...it has no ordered pairs
• ...it has ordered pairs that have a negative pattern
• ...its ordered pairs have no predictable pattern
• ...if it makes a lion on a graph (roar!)

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

The number of notebooks bought and the total cost.

• positive association
• negative association
• no association

The height of students and their scores on a test.

• positive correlation
• negative correlation
• no correlation

The number of siblings you have and your weight. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above

What type of correlation (association)?
The outside temperature and the amount of layers you wear. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases