Ch 9 Review Math 8

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

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 chapters would be in a book with 180 pages. 

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

Tags

CCSS.HSF.BF.A.2

The number of siblings you have and your weight. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above

Tags

CCSS.HSS.ID.B.5

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

Tags

CCSS.HSF-LE.A.1B

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

• A
• B
• C
• D

Tags

CCSS.HSF-LE.A.1B

In a scatterplot, an outlier...

• ...is something we didn't learn 8th grade
• ...is a puppet with a long nose named Pinocchio
• ...is a point that is far outside the main cluster of points/ordered pairs
• ...is a really naughty point who doesn't tell the truth when outside

Tags

CCSS.8.SP.A.1

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Tags

CCSS.HSF-LE.A.1B

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 12 absences should get approximately what score on the final exam?

• 60

• 92

• 70

• 76

What represents the x axis?

• ABC Company
• Hours Worked
• Amount Earned in Dollars
• Hours in Car

Tags

CCSS.HSF.LE.B.5

What would be the correlation between study time and test grades?

• positive
• negative
• none
• cannot be determined

Tags

CCSS.HSS.ID.C.9