Scatter Plots Review

What type of correlation is shown in this plot?

• Positive
• Negative
• No Correlation

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 19 chapters. 

• 150 pages
• 170 pages
• 190 pages
• 210 pages

What is the type of correlation?

• Negative 
• no association
• positive 

The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding.  What is the equation of the line of best fit?

• y = -25x + 170
• y = 25x + 170
• y = -(5/8) x + 170
• y = (5/8) x + 170

• $100
• $200
• $300
• $400

What represents the x axis?

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

When x=6, which number is closest to the value of y on the line of best fit in the graph below?

• 1
• 6
• 7
• 9

What type of association does this graph have?

• positive
• negative
• none
• all of the above

How many trees are 3 years old?

• 1

• 2

• 0

• 3

Click on image. Orange points are NOT necessarily data from the set.

• y = 5/8 x + 7

• y = 8/5 x + 7

• y = -5/8 x + 7

• y = -8/5 x + 7