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Error calculation



 
 
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Old November 12th, 2009, 07:21 AM posted to microsoft.public.excel.misc
Vyacheslav
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Posts: 1
Default Error calculation

Dear Support,
I was tryting to calculate the total variance with expected result equal to
0. But we received a very strange result. We subtract Figure1 data from
Figure 2 and receive variances. After this we used Sum function to calculate
the total amount and see strange number see below. While if we calculated
Totals of Figure 1 and 2 and then subtract Figure 1 from Figurt 2 we receive
correct result. Could you please clarify this issue. Regards, Sergey.
# Figure 1
1 32400.000000000000000
2 14400.000000000000000
3 24256.400000000000000
4 57.600000000000000
5 21600.000000000000000
6 10800.000000000000000
103514.000000000000000


Figure 2
1 30960.000000000000000
2 14400.000000000000000
3 40010.000000000000000
4 144.000000000000000
5 7200.000000000000000
6 10800.000000000000000
103514.000000000000000

Variance on Totals 0.000000000000000

Variance by line (Figure 2 - Figure1)
1 -1440.000000000000000
2 0.000000000000000
3 15753.600000000000000
4 86.400000000000000
5 -14400.000000000000000
6 0.000000000000000

Sum of Variance -0.000000000012733

 




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