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Chris Hamper
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Uncertainties
1.
Uncertainties
2.
Tables old method •
(max – min)/2 • 1 sf
3.
New method 1 •
Standard deviation • 2 sf
4.
New method 2 •
(max – min)/N • 2 sf
5.
Old method • g
= 9 ± 3 m s¯²
6.
New method 1 •
g = 9.4 ± 1.5 ms¯²
7.
New method 2 •
g = 9.4 ± 0.3 ms¯²
8.
Now also OK •
Propagation through calculation but no graph • Curves • Other • Tick lists are out • Don’t let uncertainties spoil a good practical
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