HW 3.3 - Scatter Plots/Lines of Best Fit

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

What is the correlation?

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

Tags

CCSS.HSF-LE.A.1B

What represents the x axis?

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

Tags

CCSS.HSF.LE.B.5

Looking at the graph showing a line of best fit, what is the correlation shown?

• Length of life is constant
• Length of life increases as amount of sunlight increases
• Length of life increases as amount of sunlight decreases
• Length of life decreases as amount of sunlight increases

Tags

CCSS.HSF.LE.B.5

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 is a true statement about two numerical sets of data that have negative association?

• A. As one variable increases, the other variable does not change.

• B. As one variable increases, the other variable increases.

• C. As one variable decreases, the other variable decreases.

• D. As one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

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

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?

• 55
• 0
• 103
• 100

What is the type of association?

• Negative 
• no association
• positive 

Tags

CCSS.HSS.ID.B.5