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Unformatted text preview: You will be given several options for the type of trendline you want to fit to your data. The spectroscopy lab (fall semester) and Hubble Red Shift lab (spring semester) both use a linear best fit line. Next go to the tab labeled ‘options’. Click on ‘display equation’ and ‘display R-squared value’. The R-Squared option is a measure of how well the data points fit the trendline. R 2 = 1 is a perfect fit. If you know that the graph should pass through a certain point on the vertical axis, than you can set the trendline to pass through that point as well by checking ‘set intercept =’ (and whatever value the graph should have at x = 0). If you have any questions, feel free to email or stop by any of our office hours....
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This document was uploaded on 11/03/2011 for the course PHY 122 at SUNY Buffalo.
- Fall '08