Charts and Diagrams 2

Charts and Diagrams 2 - Engineering Graphics MET 100:...

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Engineering Graphics MET 100: Graphs and Charts MANISH S MITTAL ADVISOR
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Charts and Diagrams Data and information expressed as numbers are  usually difficult to analyze and interpret Graphs and charts makes this job easy Several types of graphs are widely used Pie charts Bar graphs Linear graphs
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Pie Graphs Compare  relationship of a part  to another part or to  the whole Total of all  percentages should  be 100 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
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Step 1 Find the sum of the  parts and the  percentage that each  is of the total. Multiply each  percentage by 360°  to obtain the angle of  the sector of the  graph. Product Development Cost per unit $ Labor 40 40% x 360 144 Research 30 30% x 360 108 Materials 20 20% x 360 72 Overhead 10 10% x 360 36 100 100% 360 Pie Graphs
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Step 2 Draw the circle and  construct each  sector using the  degrees from step1 Pie Graph Construction 10%=36 o 20%=72 o 30%=108 o 40%=144 o Pie Graphs
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Charts and Diagrams 2 - Engineering Graphics MET 100:...

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