1.   A line graph _________________________.
    A. is best used to show changes over time
    B. does not have line segments connecting the data points
    C. shows only increases in data
    D. must have years labeled on the horizontal axis
    Hint

  2.   Each year, the population of Chicago increases. What would a line graph showing the yearly population of Chicago look like?
    A. It would be a horizontal line.
    B. It would go down from left to right.
    C. It would be a vertical line.
    D. It would go up from left to right.
    Hint

  3.   Refer to the following tables.
   
    A. The data in both tables would be best represented by line graphs. B. The data in Table 1 would be best represented by a line graph. The data in Table 2 would be best represented by a bar graph.
    C. The data in Table 1 would be best represented by a bar graph. The data in Table 2 would be best represented by a line graph. D. The data in both tables would be best represented by bar graphs.
    Hint

  4.   The bar graph below shows the number of people in Lisa's class with each pet preference. What conclusion can be made from the graph?
   
    A. Dogs are the best pets in the world. B. More people in Lisa's class prefer cats than dogs.
    C. More people in Lisa's class prefer cats to fish. D. About 40 people in Lisa's class prefer fish.
    Hint

  5.   The line graph below shows Onatah's growth in the last four years. What conclusion can not be made from the graph?
   
    A. Onatah was shorter when measured in 2000 than when measured in 1999. B. Onatah has gotten taller every year she has been measured.
    C. Onatah was about 5'0'' in 2001. D. Onatah was about 3'11'' in 1998.
    Hint