1.   How many minutes would you have to exercise each day to have a resting heart rate of 60 beats per minute?
   
    A. 30 minutes B. 20 minutes
    C. 10 minutes D. 60 minutes
    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 shows a trend over time.
    B. It has a title.
    C. It has vertical and horizontal scales.
    D. It displays data.
    Hint

  4.   In what month will Classic Comics probably begin to make more than $150 on the Internet?
   
    A. September B. November
    C. October D. December
    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. 0 B. 2
    C. 8 D. 5
    Hint



Glencoe
The McGraw-Hill Companies