ENGR 1166 Chapter Notes - Chapter 5: Graph Paper, Exponential Function, Data General
Chapter 5
Representation of
Technical Information
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Chapter Objectives
1.Recognize the importance of collecting, recording, plotting,
and interpreting technical data for engineering analysis and
design
2.Put into practice methods for graphical presentation of
scientific data and graphical analysis of plotted data
3.Develop the ability to graph data using uniform and
nonuniformscales
4.Apply methods of selected points and least squares for
determining the equation that gives the best-fit line to the
given data
5.Determine the most appropriate family of curves (linear,
power, or exponential) that gives the best fit to the given data
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General Graphing Procedures, 1
1.Select the type of graph paper
rectangular [aka rectilinear]�semilog�log-log�
and appropriate grid spacing for
the given data.
2.Choose the location of the
horizontal and vertical axes.
3.Determine the scale units
(range) for each axis
4.Graduate and calibrate the axes
using the 1, 2, 5 rule.
5.Identify each axis completely.
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Document Summary
1. recognize the importance of collecting, recording, plotting, and interpreting technical data for engineering analysis and design. 2. put into practice methods for graphical presentation of scientific data and graphical analysis of plotted data. 3. develop the ability to graph data using uniform and nonuniformscales. 4. apply methods of selected points and least squares for determining the equation that gives the best-fit line to the given data. 5. determine the most appropriate family of curves (linear, power, or exponential) that gives the best fit to the given data. 1. select the type of graph paper rectangular [aka rectilinear] semilog log-log and appropriate grid spacing for the given data. 2. choose the location of the horizontal and vertical axes. 3. determine the scale units (range) for each axis. 4. graduate and calibrate the axes using the 1, 2, 5 rule. 7. double check any point that deviates from the line. 9. identify each curve, add title, and include other necessary notes. Numerical values assigned to significant graduations are calibrations.
