Pls quickly
a contractor records the areas, in square feet, of a small sample of house...
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Mathematics, 30.10.2019 02:31 mxltie1651
Pls quickly
a contractor records the areas, in square feet, of a small sample of houses in a neighborhood to determine data about the neighborhood.
they are:
2,400; 1,750; 1,900; 2,500; 2,250; 2,100
which of the following represents the numerator in the calculation of variance and standard deviation?
(225)2 + (–425)2 + (–275)2 + (325)2 + (75)2 + (–75)2 = 423,750
(650)2 + (–150)2 + (–600)2 + (250)2 + (150)2 + (–300)2 = 980,000
(250)2 + (–400)2 + (–250)2 + (350)2 + (100)2 + (–50)2 = 420,000
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