Question: . A process data reduction equation for pressure has been discovered through regression analysis and is given by: Pressure = 0.371 OP1 - 0.675 OP2

. A process data reduction equation for pressure has been discovered through regression analysis and is given by:

Pressure = 0.371 OP1 - 0.675 OP2 + 1.25 OP3 - 1.85 OP4

The uncertainties for OP1, OP2, OP3 and OP4 are .09, 0.10, 0.08 and 0.07 bar respectively. Calculate

a. The absolute sensitivity coefficients for each independent variable of the data reduction equation.

b. The overall uncertainty in the pressure measurement.

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