Quiz Review: Regression

What type of correlation does this scatterplot display?

• Positive

• Negative

• No Correlation

Tags

CCSS.HSS.ID.B.5

What type of association does this graph have?

• positive
• negative
• none
• all of the above

Tags

CCSS.HSS.ID.B.5

If the correlation coefficient for two variables is r = 0.3, what type of relationship do they have?

• Strong positive 

• Weak positive

• Strong negative

• Weak negative 

Tags

CCSS.HSS.ID.B.5

Describe the following correlation coefficient:

r = -0.89

• Strong positive 
• Weak positive 
• Strong negative 
• Weak negative 

Tags

CCSS.HSS.ID.B.5

A perfect negative correlation has a correlation coefficient of ____. 

• 1
• -1
• 0

Tags

CCSS.HSS.ID.B.5

A perfect positive correlation has a correlation coefficient of ____. 

• 1
• -1
• 0

Tags

CCSS.HSS.ID.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.HSF.BF.A.2

What is the type of association?

• Negative 
• no association
• positive 

Tags

CCSS.HSS.ID.B.5

A person’s height and a person’s age up to adulthood have what type of correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

Tags

CCSS.HSS.ID.B.5

A person's height and how fast they drive have

• Positive Correlation

• Negative Correlation

• No Correlation

Tags

CCSS.HSS.ID.B.5