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Prepare a bar graph based upon scientific data

AIM: What is a bar graph?. OBJECTIVES. Prepare a bar graph based upon scientific data. DEFINITION: a BAR GRAPH is a diagram in which separate but related items are represented by rectangular shapes called “bars”

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Prepare a bar graph based upon scientific data

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  1. AIM: What is a bar graph? OBJECTIVES Prepare a bar graph based upon scientific data

  2. DEFINITION: • a BAR GRAPH is a diagram in which separate but related items are represented by rectangular shapes called “bars” • the horizontal axis usually represents the manipulated variable • the vertical axis usually represents the responding variable AIM: What is a bar graph?

  3. EXAMPLE: • Absences today • 6th grade 7 • 7th grade 12 • 8th grade 4 • Put this in a bar graph AIM: What is a bar graph?

  4. Step One: Draw your axis: AIM: What is a bar graph?

  5. Step Two: label your axis: 15 AIM: What is a bar graph? 10 # of Absences 5 6th 7th 8th Grade Level

  6. Step Three: plot your data: 15 AIM: What is a bar graph? 10 # of Absences 5 6th 7th 8th Grade Level

  7. Step Four: Fill in your bars: 15 AIM: What is a bar graph? 10 # of Absences 5 6th 7th 8th Grade Level

  8. Step Five: What is Missing? TITLE YOUR GRAPH! 15 AIM: What is a bar graph? 10 # of Absences 5 6th 7th 8th Grade Level

  9. Step Five: Possible Title -- Absences in Each Grade Level 15 AIM: What is a bar graph? 10 # of Absences 5 6th 7th 8th Grade Level

  10. Step Five: Alternative Title {x vs. y} Grade Level vs. Absences 15 AIM: What is a bar graph? 10 # of Absences 5 6th 7th 8th Grade Level

  11. Example: What is the difference between boys and girls on Team A in each Science Class? 2nd period: 10B 8G 5th 8B 10G 6th 7G 11B 7th 12G 8B AIM: What is a Bar Graph?

  12. What should we do first? We should probably put our “raw data” into a better and simpler data table. 2nd period: 10B 8G 5th 8B 10G 6th 7G 11B 7th 12G 8B any suggestions? AIM: What is a Bar Graph?

  13. AIM: What is a Bar Graph? Boys and Girls in each Science Class Period Boys Girls 2 10 8 5 8 10 6 11 7 7 8 12

  14. Step One: Draw your axis: AIM: What is a bar graph?

  15. Step Two: label your axis: 15 AIM: What is a bar graph? # of Boys/Girls 10 5 2 5 6 7 Science Classes

  16. Step Three and Step Four: Plot your data and fill in your bars: 15 AIM: What is a bar graph? # of Boys/Girls 10 5 2 5 6 7 Science Classes: Boys Girls

  17. Step Five: ???? TITLE: Boys and Girls in Each Science Class 15 AIM: What is a bar graph? # of Boys/Girls 10 5 2 5 6 7 Science Classes

  18. Step Five: ???? {x vs. y} Science Class vs. the Number of Boys and Girls 15 AIM: What is a bar graph? # of Boys/Girls 10 5 2 5 6 7 Science Classes

  19. AIM: What is a bar graph?

  20. Tips for Bar Graphs? • The manipulated variable always goes on the x axis. (What does that mean?) • Title and Label all axis. Include the units! • Determine the correct “scale” to be used on the graph. • Make sure your vertical axis uses a scale which is consistent and does not change AIM: What is a bar graph?

  21. Tips for Bar Graphs? • The width of all bars should be the same • You should leave a “skipped” space between each separate bar group. • That “skipped” space should be the same distance for each category AIM: What is a bar graph?

  22. Tips for Bar Graphs? TITLE YOUR GRAPH AIM: What is a bar graph? Don't forget!

  23. Table of Plant Days vs. Plant Height: Mark a Bar Graph: F-Plant 1 NF-Plant 2 (inches) (inches) 2 2 4 4 8 7 10 8 14 9 Day of Growth 2 5 10 15 20

  24. : 14 12 10 Height of Plant 8 6 4 2 2 5 10 15 20 Days of Growth F-Plant 1 NF- Plant 2

  25. What is wrong with this Graph (2 things) ? : 14 12 10 Height of Plant 8 6 4 2 2 5 10 15 20 Days of Growth F-Plant 1 NF- Plant 2

  26. Days of Growth vs. Plant Height : 14 12 10 Height of Plant 8 6 4 2 2 5 10 15 20 inches Days of Growth F-Plant 1 NF- Plant 2

  27. AIM: What is a Bar Graph? Class ACTIVITY: Creating Bar Graphs page 63

  28. Knap-Sack Brand

  29. Knap-sack brand vs Students

  30. A Team Population

  31. Years vs. Number of Students

  32. Sports Participation by Sex

  33. Sports Participation by Sex

  34. NMS Fundrasing

  35. Event vs. Dollar Amount

  36. NMS Absences

  37. Day vs Absences

  38. AIM: What is a bar graph? Homework: INTERNET QUESTIONS

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