Lecture 4 - Graphing and Modeling Data

Lecture 4 - Graphing and Modeling Data - 1/20/2010 TODAYS...

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1/20/2010 1 TODAY’S TOPICS: Graphing Engr 160 Graphing How will learning this help me? • You will learn how to determine equations representing test data – This will enable to you make predictions of how one physical parameter affects another • You will learn how to present data accurately and in a professional manner Connecting to your Past Engr 160
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1/20/2010 2 Manual Graphing 1. Select the proper type of graph paper – Log-log – Semi-log – Rectangular 2. Choose the proper location of the horizontal and vertical axes. 3. Determine the scale (range) for each axis to display the data appropriately Engr 160 Manual Graphing 4. Graduate and calibrate axes using the 1- 2-5 Rule. – 1-2-5 Rule: scale graduations are selected so that the smallest division of the axis is positive or negative integer power of 10 times 1, 2, or 5. Engr 160
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1/20/2010 3 Engr 160 Manual Graphing 5. Identify each axis completely – Variable name, symbol, units 6. Plot points and use permissible symbols
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This note was uploaded on 02/09/2012 for the course ENGR 160 taught by Professor Sengupta during the Spring '07 term at Iowa State.

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Lecture 4 - Graphing and Modeling Data - 1/20/2010 TODAYS...

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