PEMDAS, x = 15 Solve: b = (nΣxy - (Σx)(Σy)) / (nΣx² - (Σx)²), note: y = 8 (n) = 3 PEMDAS x = 15 8 = K nExy - Ex)(Ey) Solve: b = note: (n = 3) nEx² - Ex Answer = (-z)
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