Richardson Biology Name:___________________________________ Scientific Method: Tables, Graphs, & Data Analysis 1. A class survey revealed that out of 30 students, 13 listed their favorite lunch item as pizza, 9 chose cheeseburgers, 6 picked lasagna, and 2 chose grilled cheese. Label the pie graph with the food choices. 2. What are pie graphs (a.k.a. circle charts) used for?

3. James bought a new video game and decided to keep track of his scores. Try 1: 150 pts Try 4: 900 pts Try 2: 190 pts Try 5: 1100 pts Try 3: 500 pts Try 6: 1500 Identify the IV and the DV in the spaces provided above the graph. 4. Create a line graph of James’ progress. When creating graphs, the IV goes on the x-axis and the DV goes on the y-axis. Include a title and labels. 5. James’ friend Cat tries out the game and has the following scores. Try 1: 100 pts Try 4: 1100 pts. Try 2: 500 pts Try 5: 1400 pts Try 3: 900 pts Try 6: 1500 pts Use the same graph to graph Kat’s scores. 6. Based on the graph, who is the better player? Justify your answer.

7. A class is surveyed about favorite colors and the following results re obtained: Blue 8 Yellow 3 Red 5 Purple 6 Green 4 Pink 4 Create a bar graph to show favorite colors.

Create a bar graph that is color coded to compare favorite colors.

IV:_______________ DV:_______________

8. Mr. M’s class grades were graphed as a pie chart. Use this graph to answer the following questions. a. The largest percentage of students received what grade? _______ b. What percentage of the class received a B? _______ c. What percentage of the class received an A? ______ d. Based on the graph, do you think Mr. Ms class is hard? Why or why not?

9. The bar graph compares the number of students enrolled in classes. a. What class has the highest enrollment? b. How many students are enrolled in chemistry? c. How many are enrolled in Anatomy? d. What course is least popular?

10. The line graph shows the number of worms collected and their lengths. a. What length of worm is most common? b. What was the longest worm found? c. How many worms were 6 cm long? d. What does the peak of the curve represent? 11. 11. The scatter plot shows a bus stop where those waiting at the bus stop are plotted by their height and age. Identify which dot goes with which passenger.