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139 is an integer and so there is no sensible way to represent it as a fraction.
139 and 140. Let x represent one integer, and x +1 (the other number +1) represent the other. x + x + 1 = 279 2x + 1 = 279 2x = 278 x = 139. Since x is 139, x +1 must be 140.
standard deviations