Reading Scatterplots

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household of 7 people?

• $220

• $160

• $40

• $300

Based on the scatterplot, what is the best prediction of the resting heart rate of a person who exercises an average of 8 hours each week?

• 30 beats per minute

• 50 beats per minute

• 95 beats per minute

• 70 beats per minutes

Based on the scatterplot, what is the best prediction of the average number of hours a person spends at work every week, if that person spends an average of 10 hours on recreational activities every week?

• 33 hours

• 95 hours

• 50 hours

• 65 hours

Based on the scatterplot, about how much money would a group of 10 people be expected to spend on food and beverages at this restaurant?

• $130

• $110

• $100

• $150

Based on this graph, what will be the balance remaining on Jason's loan after he makes the 12th payment?

• $750

• $150

• $450

• $300

Describe the association between the number of lanes rented and the number of people bowling.

• Non-linear association

• Negative linear association

• No association

• Positive linear association

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

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