<span>It means that the point lies directly on the regression line.
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The correct answer is the first one
They both equal so symbol is "=" they have LCM of 3 .
One number: x
Its consecutive: x + 1
Product:
x(x+1)=121
x² + x - 121 = 0
Δ = 1² - 4.1.(-121)
Δ = 1+484
Δ = 485
As square root of 485 is not integer, do not exist two consecutive numbers with product of 121
