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Published online by Cambridge University Press: 18 August 2016
The following notes are an attempt to show
(1) How select and aggregate rates of mortality can be found from insurance office data by the methods at present used to find rates of mortality from censuses and the records of deaths among the general population, and
(2)How the census method can be modified in the case of a prolonged investigation to give a continuous mortality investigation.
We have also tried to deal with a few of the objections to the method, and some of the practical points that arise in its application.
page 270 note * In the same way the experience of each of the contributing offices could be kept separate if desired. If the various contributing offices gave their data on different methods this would probably be necessary.
page 271 note * Though our methods are different, some at least of these points were clearly in Mr. G. King's mind when he gave his Inter-valuation Formula for the Exposed to Risk, J.I.A., vol. xxvii, p. 218.