Graphs new
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This document discusses graphs and how to construct them. It explains that line graphs are used to compare one variable to another variable over time. The steps to create a line graph are outlined as: 1) draw and label the x and y axes, 2) create a scale for the axes starting at zero, 3) plot the data points, and 4) draw a best fit line that follows the general trend of the data. An example experiment of using a line graph to plot boiling water temperature over time is provided.
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Graphs new
- 1. • Graphs
- 2. Estimation61
- 3. Accuracy & PrecisionAccuracy = How close is it to real valuePrecision = How close is each measurement to each other62
- 4. • Mean, Median, Mode Mean = Average
- 5. Median = Middle
- 6. Mode = Most often66
- 7. - Graphs vs. TextAt age 1, Sarah was 75 cm tall. By the time she turned 2, Sarah had grown 10 cm. By age 3, she had grown another 10 cm. At age 4, Sarah was 100 cm tall.+ Which is better?68
- 8. Bar GraphsUseCompare different itemsTo one measured amount
- 9. Circle or Pie GraphsUseCompare different itemsTo one whole amount
- 10. Line GraphsUseCompare one variableTo another variable
- 11. Steps1.Draw Axis
- 12. 2. Labelx- axis (Manipulated variable)What you did?y-axis (Responding variable)What you measured?Add Units!
- 13. 3. Create ScaleStart zero to highest numberDistribute evenly
- 15. - Line Graphs+ Example Experiment – Boiling Water70
- 16. - Line Graph+ Draw Axis√ X “What you changed”√ Y “What was measured”+ Create Scale+ Plot Data+ Draw best fit line71
- 17. - Best Fit Line+ Follow general trend+ Include as many points as possible+ Have same # of points above and below72