Scatter Plots and Trend Lines

What is the type of association?

• Negative

• no association

• positive

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

Tags

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

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 140 pages. 

• 12 chapters
• 19 chapters
• 14 chapters
• 21 chapters

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

1.  Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam? 

• 65
• 92
• 70
• 76

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

identify the outlier

• 30, 100
• 100, 30
• there is no outlier

Tags

CCSS.8.SP.A.1

Find the slope of the line.

• -5/4
• 5/4
• -4/5
• 4/5

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

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

• A
• B
• C
• D

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 
• As the temperature increases, the number of visitors increases. 
• As the visitors increase, the temperature decreases. 
• No correlation

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Which best describes the form of this scatterplot?

• linear
• nonlinear
• scattered

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2