Lines of Best Fit Graded Quiz

What type of correlation does this scatter plot show?

• positive 
• negative
• no correlation
• nonlinear association

Tags

CCSS.HSF-LE.A.1B

What is the type of correlation?

• Negative 
• no correlation
• positive 

Tags

CCSS.HSF-LE.A.1B

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170

Tags

CCSS.8.EE.B.5

Use the line of best fit to approximate rate of change relative to the scatter plot above.

• 7/5

• 5/7

• -7/5

• -5/7

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.F.A.3

Select the statement that best describes the line.

• The line is the line of best fit.
• The line is NOT a line of best fit because it does not pass through two points.
• The line is NOT a line of best fit because it does not go through the middle of the data set.
• The line is NOT a line of best fit because it does not go through the origin.

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 chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases

Tags

CCSS.HSF-LE.A.1B

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4