1.   What would you predict your resting heart rate would be if you exercise 25 minutes per day?
   
    A. 50 B. 70
    C. 120 D. 100
    Hint

  2.   What would you predict your heart rate would be if you exercise 40 minutes per day?
   
    A. 0 B. 50
    C. 120 D. 10
    Hint

  3.   How can a line graph be used to make predictions?
    A. It displays data.
    B. It shows a trend over time.
    C. It has a title.
    D. It has vertical and horizontal scales.
    Hint

  4.   The scatter plot shows the number of students per computer in U.S. public schools. Describe the trend shown in the graph.
   
    A. The number of students per computer is increasing.
    B. The number of students per computer is staying the same.
    C. Their is no relationship between the number of students per computer and the years.
    D. The number of students per computer is decreasing.
    Hint

  5.   The scatter plot shows the number of students per computer in U.S. public schools. Predict the number of students per computer in 2006.
   
    A. 8 B. 5
    C. 2 D. 0
    Hint



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