Scatter Plot, Trend Lines, and MAD

• The charge for a trip with a distance of 5 miles is $5 greater for Taxi 1 than for Taxi 2.

• The charge for a trip with a distance of 5 miles is $5 less for Taxi 1 than for Taxi 2.

• The charge for a trip with a distance of 5 miles is $20 for both Taxi 1 and Taxi 2.

• The charge for a trip with a distance of 5 miles cannot be determined for either Taxi 1 or Taxi 2.

• Day 15

• Day 48

• Day 33

• Day 18

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

• A

• B

• C

• D

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

• A

• B

• C

• D

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam? 

• 65

• 92

• 70

• 76

Which sentence describes the relationship shown on this scatter plot?

• As the average daily temperature decreases, the number of visitors at the beach increases.

• As the average daily temperature increases, the number of visitors at the beach increases.

• As the average daily temperature increases, the number of visitors at the beach decreases.

• There is no apparent relationship between the average daily temperature and the number of visitors at the beach.

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

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

• 30 beats per minute

• 45 beats per minute

• 55 beats per minute

• 60 beats per minute

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 was the mean absolute deviation of the number of visitors each day?

• 8.76

• 11.36

• 16.8

• 17.52