6 zero in the sum of 1000 square
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No. The right hand side is always greater - unless both components are zero.
Not unless at least one of the numbers is zero.
No. The square of a number is always positive, so the sum of several of them must also be positive.
Because the sum of the deviations would, by definition, always be zero. So there is nothing to be minimised to improve the fit.
It is zero.
02 + 02 = 0; all other numbers squared are greater than 0. Otherwise 25 (= 52) = 32 + 4262 + 82 = 100√100 = 10; √1000 ≈ 31.6, so largest square less than 1000 is 312Between 100 and 1000 there are 31-10 = 21 square numbers (22 if 100 itself is included since 100 = 102)
1
3.45
This sum will be zero.
No, they cannot sum to zero.
No, the product is, but not the sum. 0 + 2 = 2