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Question 41
From the given details, estimate the number of people affected by Tuberculosis in particular locality in the year 1994. 1994 1995 1996 1997 1998 ? 92 113 141 176
Solution
Given statistics are increasing with a increasing rate of 7 and second difference of 21
hence first difference will 14 between first two statistics.
so first number will be 92-14= 78
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