Find a formulaforvectorfield F= M(x,y)i+ N(x,y)j given the fact that for all points(x,y),Fpoints toward the origin and || F|| = 10/(x² + y²). Select one: а. -10 F = -(xi + yj) 7 (x² + y²) ² b. - 10 -(xi +yj) 1 F = (x² + y²) 2 С. -10 F =. -(xi +yj) (x² + y?) 2 d. Non of them е. F = - 10 (xi+yj) (x² + y²) 2

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.