Question: Life expectancy The table shows how the life expectancy Lstd in Bangladesh has changed from 1990 to 2010. (a) Calculate the average rate of change
Life expectancy The table shows how the life expectancy Lstd in Bangladesh has changed from 1990 to 2010.
(a) Calculate the average rate of change of the life expectancy Lstd with respect to time over the following time intervals.
(i) f1990, 2000g (ii) f1995, 2000g (iii) f2000, 2010g (iv) f2000, 2005g
(b) Estimate the value of L9s2000d.
t 1990 1995 2000 2005 2010 L(t) 56 61 65 68 71
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