A course of experiments in physical measurement (1897)
Whiting, Harold, d. 1895 · Boston, D.C. Heath and Co. · leaf 1150
the distribution of errors enable us tocalculate in certain cases tiie mean square of these errors.When a single unit source of error exists, the resultant isalways ± 1, hence the mean square is -(- 1, or €i^ = 1.With 2 unit sources, we have four combinations, in two ofwhich the resultant is 0, in… … -¥ -1 1116 APPENDIX X. and in the case of four unit sources — €/= (2 X 10 + 8 X 4 + 6 X 0) H-IG = 4. We notice that the mean square of the resultant error is ineach case equal to the number of unit sources of which it iscomposed. It is easy to show that this law is perfectly general. Sup-pose we…
Physics
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