Scatterplots and Lines of Best Fit

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

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4

What type of correlation does this scatter plot show?

• positive 
• negative
• no correlation
• nonlinear association

Tags

CCSS.HSF-LE.A.1B

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 pages would be in a book with 19 chapters. 

• 150 pages
• 170 pages
• 190 pages
• 210 pages

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

What is the type of correlation?

• Negative 
• no correlation
• positive 

Tags

CCSS.HSF-LE.A.1B

• Non-Linear Correlation
• Postive, Linear Correlation
• Negative, Linear Correlation
• No Correlation

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Find the slope from the table.

• -4
• 1
• 4
• -2

Tags

CCSS.8.EE.B.5

Find the slope from the table:

• -2/5
• 5/-2
• 5/2
• 2/5

Tags

CCSS.8.EE.B.5

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points
• To make it look like you know what you are doing

Tags

CCSS.8.EE.B.5

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