2. Graphs Gr. 8 Presenting data to show relationships using charts.

3. Which type of graph would best show the growth of the plant? For a science experiment Joey is measuring the growth of a bean plant. Joey measures the height of the plant every Monday for two months.  A. line graph  B. circle graph  C. bar graph  D. box-and-whisker plot

4. Answer:  A. line graph

5. On a stem-and-leaf plot, if the key reads “2 l 7 = 270” what numbers would this represent? 3 l 1 1 3 5  E. 31, 31, 33, 35  F. 301, 301, 303, 305  G. 310, 310, 330, 350  H. 3010, 3010, 3030, 3050

6. Answer: G. 310, 310, 330, 350

7. Which of these Values is not used to create a box-and-whisker plot?  A. minimum  B. maximum  C. median  D. mode

8. Answer: D. mode

9. Create a bar graph with this data on Pro Basketball players and the colleges they attended. North U East UWest USouth U Center U 54234

10. Answer:

11. Sketch a graph of this equation:  y = ½ x – 3

12. Answer: -3 24 -2 y x