Scatterplots

Which graph shows a line of best fit for the scatter plot?

• Graph A
• Graph B
• Graph C
• Graph D

What type of relationship does this graph show?

• Positive
• Negative
• No Relationship
• Constant 

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

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 show?

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

What type of association does this scatter plot represent?

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