Use the Gauss-Jordan method to solve the following system of equations. 7x 4y + 4z = 6 7x+ 3y- 21x - 5y + 7z 23 Z 11 Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The solution is (. ). in the order x, y, z. (Simplify your answers.) O B. There is an infinite number of solutions. The solution is ( z), where z is any real nu (Simplify your answers. Use integers or fractions for any numbers in the expressions.) O C. There is no solution.

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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.