Matching Scatterplots With Data

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

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

What type of relationship does this scatter plot show?

• Positive

• Negative

• No Relationship

• Constant

Select all the terms that describe this scatter plot.

• Positive

• Negative

• No Association

• Linear

• Non-Linear

Scott created a scatter plot of the relationship between the number of students at a football game, x, and the amount of money raised selling snacks, y. The equation for his trend line was y = 5.2x - 20.

If 150 students showed up $​ (a)   would be made selling snacks.

• 760

• 780

• 800

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

Find the slope for the trend line using points (2,2) and (4,3)

• 2

• 1/2

• -2

Which statement best describes the relationship shown in this scatter plot?

• Students with a bigger shoe size earn a higher math score

• Students with a smaller show size earn a higher math score

• A student's shoe size has no effect on their math score

• A student with a shoe size of 8 will always earn a score of 80%

Which graph shows a line of best fit for the scatter plot?

• Graph A

• Graph B

• Graph C

• Graph D

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89