Plotting Data on Semi-Log Graph Paper

X Value Y Value
2 14.71
4 8.79
6 5.82
8 3.08
10 2.14

The table above provides a random set of data for you to graph on semi-log graph paper. You should try to put a straight line through the data. A best fit line. Don't try to put the line through any particular point but through all the data. The best fit line may not go through any of the points. A clear ruler helps. This allows you can see the points above and below the line to get a good balance. Draw the line. Estimate the intercept on the left and right. Calculate the slope.


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Graph Paper Resources

Graph Paper in Adobe Reader (v5.0) - PDF Format. If you have Adobe Reader installed (or Preview in Mac OS X) clicking on the links below will provide the graph paper indicated.

Some Equations:

Equation for slope on semi-log graph paper

Equation for slope on a Semi-Log Graph


Last update: Thu 19 Jan 2012 09:10:06 am
Copyright © 2002-14 David Bourne (david@boomer.org)