physics 270. y ( x )data set #1 t (s) y (cm) 11.3 23.5 34.2 45.0 57.0 68.8 710.1 812.5 913.0 1015.6
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Physics 270
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y(x) Data Set #1
t (s) y (cm)
1 1.3
2 3.5
3 4.2
4 5.0
5 7.0
6 8.8
7 10.1
8 12.5
9 13.0
10 15.6
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What about error bars?
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Data Set #2
t (s) y (cm)
1 0.8
2 3.0
3 3.5
4 4.2
5 5.1
6 5.9
7 6.8
8 7.5
9 8.1
10 9.0
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Simple linear regression describes the linear relationship between a predictor variable, plotted on the x-axis, and a response variable, plotted on the y-axis
Independent Variable (X)
depe
nden
t V
aria
ble
(Y)
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1oy a a x
X
Y
oa
1.0
1a
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The best linear approximation involves finding values of a0 and a1 to minimize
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Am. J. Phys. 67, 528 (June 1999).Barbara S. Andereck
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Carefully read all of chapter 6 in the text.
Then, do problems 6.4 and 6.5.Hand in the written out equations that
you use, showing all work, your results, and the computer program, Mathematica, or Excel worksheet used.
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Test covers chapters…1, 2, 3, and 6 of the textbook.
You may prepare both sides of an 8 ½ by 11 inch sheet with equations, examples, notes, or anything else you may wish to have with you. You will need your calculator.