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QUSTION1 In a textile factory two methods used for analysis for dye ( (two in wastewater. the following set of data was for analysis of the standard of these dyes by two methods. see the table below and answer the following questions (show your calculation) a-the equation of the straight line for the following data using linear regression analysis? b- compare the linearity of two methods by determining their correlation coefficient? C- determines which one of these methods has the lowest LOD D- which one of this method is more sensitive Analytical method Analytical method Standard Sample number 1 2 concentration (Absorbance) (Absorbance) 1 1 ppm 5.4 6.2 2 2 ppm 10.8 116 3 3 ppm 25.4 23.8 4 4 ppm 37.3 36.7 5 5 ppm 46.2 48.2