antc67 lec.docx

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2 Apr 2012
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1st column is age group
Dx is the number of deaths
Px is the population at that particular age interval at risk
Mx is mortality rate
Qx is the probability of dying in that age group
SEQ is stn error of Qx
lX hypothetical pop of 1000 people being born at that time who then died, number of survivors
and you start off with 1000
so life expectancy at birth is 44 with stn error of 1.7
ex is life expectancy at age interval
SE is the amount of error at above point (ex)
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