Manufacturer’s data for the mass flow rate of Refrigerant-22 flowing through a compressor is shown in Table P6.10 as a function of the evaporating and condensing temperatures. Use the method of least squares to determine an empirical equation that can be used to predict the R22 mass flow rate as a function of the evaporating and condensing temperatures. Estimate the accuracy of the equation by generating a deviation plot that shows all the data in Table P6.10.

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TABLE P6.10 Mass Flow Rate (lbm/h) of R22 Flowing through a Refrigeration Compressor Condensing Temperature (F) 80 90 100 110 120 -25 617 594 567 531 486 Evaporating Temperature (F) -20 -10 715 946 693 919 667 892 863 831 636 597 -15 824 800 775 746 711 -5 1084 1052 1022 991 959