Scatterplots

What type of association does this scatter plot represent?

• positive linear association

• negative linear 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 is the strength of this scatter plot? 

• moderate-strong

• weak-moderate

• strong

Which best describes the form of this scatterplot?

• linear

• nonlinear

• scattered

describe the association

• Positive linear weak

• positive linear strong

• Positive non linear strong

• positive linear moderate

What type of relationship does this graph have?

• 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