Scatter Plots & Tables

John plotted points on a graph to see if there was a relationship. Then he drew a line of best fit based on the fact that his line went through the most points possible.

Decide whether which statements are False.

• John's line of best fit is correct.

• John's line of best fit should be higher to be closer to all of the points.

• John's line of best fit should be lower so that it will go through more points.

What type of association does this graph have?

• positive
• negative
• none
• all of the above

What percentage of SUV's are driven by women?

• 56.25%
• 75%
• 83.25%
• 86.5%

Of the students who cannot bike to school, what percent of them are boys?

• 4%

• 14%

• 13%

• 29%

What type of association does this scatter plot represent?

• positive linear association
• negative association
• no association
• nonlinear association

Linear Function, Nonlinear Function, Not a Function?

• Linear Function

• Nonlinear Function

• Not a Function

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade.

• No relationship exists between the number of books students read and their English grades.

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 6 chapters. 

• 100 pages
• 170 pages
• 60 pages
• 20 pages

• Positive

• Negative

• None

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

• A
• B
• C
• D