Lect 6 graphs and tables

# Lect 6 graphs and tables - Using Graphs and Tables...

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Using Graphs and Tables Effectively in Engineering Communications Tables and Graphs (Ch. 8)

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Using Tables and Figures Engineers are visual learners. Tables and figures can summarize information cogently and concisely. Engineers use numbers to make decisions. Must still state key result: Written: important results from charts and figures also in prose. Oral: important results from charts and figures also spoken.
Three Methods of Data Presentation Advantages Disadvantages Tables High accuracy Good for small data sets Good when no intention to trend Too long Can’t visualize overall trend Graphs Immediate visual impact See relationships/trends Interpolation of data See anomalous points Type of graph can skew viewer’s interpretation Equations Good for interpolation Short, concise Working relationship One step removed from raw data Approximate representation Forgetting that from data

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Design of Tables Organization Left column is known Right column(s) are unknown or measured values Put variable and unit in top row Known (units) Variable/ unknown (units)
Design of Tables Legend Place above table contents Must contain table number and title May contain a caption as well Rules (or, gridlines) Avoid rules in small tables Use rules cautiously in large tables Choose narrow and/or gray lines Consider blocks of light color instead of rules

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Example: Small Table Day, R.A. (1998) How to Write and Publish a Scientific Paper . Phoenix: Oryx Press Decked heading Descriptive title Details below
Rules should be narrow, faint, and unobtrusive. J. Donnell, Georgia Tech;

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## This note was uploaded on 03/11/2010 for the course ENGI 150 taught by Professor Annsaterbak during the Fall '08 term at Rice.

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Lect 6 graphs and tables - Using Graphs and Tables...

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