Statistics Quiz (II) Statistics Quiz (I) 11) For random error $$varepsilon_i,$$ which of the following constitutes the Gauss-Markov conditions? A) (i) $$E(varepsilon_i)=0$$ (ii) $$E(varepsilon_i ^2)=sigma^2$$ (iii) $$E(varepsilon_i,varepsilon_j)=0, ineq j$$ B) (i) $$E(varepsilon_i)=0$$ (ii) $$E(varepsilon_i ^2)
forward difference Statistics Quiz (I) 1) For a forward difference table the points $$(x_0,y_0),(x_1,y_1),(x_2,y_2),dots$$ with $$h=x_1-x_0=x_2-x_1=dots$$ so on, and for the function $$y=x^n,$$ say, which of the following statements is true? A) $$frac{Delta^
