Thursday, April 21 (Scatter Plots & Line of Best Fit)

What type of correlation does this graph have?

• positive
• negative
• none
• all of the above

Tags

CCSS.HSF-LE.A.1B

What type of correlation does this graph show?

• Positive
• negative
• none
• all of the above

Tags

CCSS.HSS.ID.B.5

What type of correlation does this scatter plot show?

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

Tags

CCSS.HSF-LE.A.1B

Write the equation for the line.

• y = 46x
• y = -1/2x

Tags

CCSS.8.EE.B.5

What does the slope represent in this situation?

• The sloth runs 1 feet in 3 minutes
• The sloth runs 3 feet in 1 minute
• The sloth runs fast
• The sloth runs 6 feet in 1 minute

Tags

CCSS.8.EE.B.5

Which equation best represents the data?

• A  y = 4x
• B  y = -4x
• C  y = 1/4x
• D   y = -1/4 x

Tags

CCSS.8.EE.B.5

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 6 chapters. 

• ≅100 pages
• ≅170 pages
• ≅60 pages
• ≅20 pages

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

Which of the following would be the most accurate equation for the scatter plot?

• y = -2x - 7
• y = -x + 7
• y = 3x + 7
• y = 15x + 7

Tags

CCSS.8.EE.B.5

Write the equation of the line with slope 4 through the point (-2, 5).

• y = 4x - 13
• y = 4x + 13
• y = 4x - 3
• y = 4x + 3