Scatterplots MCAS

What best describes this association?

• positive non linear weak

• positive linear strong

• negative moderate non linear

• no association

how would you describe this association?

• positive linear strong

• positive linear weak

• positive linear moderate

• no association

What type of association does this scatter plot represent?

• positive linear association

• negative linear association

• no association

• nonlinear association

What is the strength of this scatter plot? 

• moderate-strong

• weak-moderate

• strong

What type of relationship does this graph have?

• Positive 

• Negative

• No Relationship

• Constant

What type of relationship does this graph show?

• Positive

• Negative

• No Relationship

• Constant 

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

Based on this scatterplot, approximate what score should a student who attended class 22 days expect to receive on the exam?

• 84

• 71

• 95

• 75

Determine the Correlation Coefficient and decide whether it is weak, moderate, or strong.

• 0.07 weak

• -0.26 weak

• -0.26 moderate

• 0.07 strong

Predict how much money is spent at the mall if you were to be there for 7 hours.

• $30

• $35

• $40

• $45