Q. Which of the following processes is a tedious one?

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Q. Determine the normal equation for x for the equations, 5x+2y+3z-6 = 0 and 2x+4y+6z-10 = 0, having equal weight.

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Q. If different weights of the equations are involved then they are to be subtracted with the coefficients.

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Q. Formation of normal equation with unknown quantities must be multiplied with the algebraic coefficient.

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Q. Find the normal equation for y of the equations 2x+3y+4z-7 = 0, x-4y+6z-9 = 0, having weights 3 and 2 respectively.

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Q. What will be the normal equation for z if the equations are given as 3x+9y+4z-43=0, 2x+6y+z-5=0. Assume these are having equal weights.

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Q. A normal equation is formed by ____________

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Q. Which of the following represents the correct set of constants and variables present in a normal equation?

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Q. Most probable value can be found by using a ______________

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Q. Most probable value is not used in the determination of which of the following?

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Q. If A = 57⁰28ꞌ42ꞌꞌ, 4A = 88⁰15ꞌ59ꞌꞌ, 5A = 143⁰57ꞌ31ꞌꞌ. Find the most probable value of A.

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Q. The Most probable value found by normal equation involves the usage of known values.

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Q. It is necessary for the observed equations to be accompanied with condition equation.

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Q. Most probable value determines certain observations. Which among them will give accurate value?

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Q. Find the most probable value with the observations 2.76, 4.32, 9.87, 8.83 having equal weights.

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Q. From which of the following cases, the value of most probable value can be easily determined?

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Q. Determine the most probable value of B from the equations B = 65˚21ꞌ40ꞌꞌ weighing 3 and 2B = 132˚40ꞌ20ꞌꞌ weighing 2.

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Q. From the set of observations (1.87+ 9.73+ 9.22), find the most probable value. The weights of the observations are given as 4, 7, 9 respectively.

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Q. In order to form a normal equation _____________ are needed.

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Q. Correlates can also be known as _____________

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