The enclency for a steel specimen leversed in a phosphating tank is the weight of the phosphate coating divided by the m

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The Enclency For A Steel Specimen Leversed In A Phosphating Tank Is The Weight Of The Phosphate Coating Divided By The M 1 (38.36 KiB) Viewed 24 times

The enclency for a steel specimen leversed in a phosphating tank is the weight of the phosphate coating divided by the metal both in ma'). An artide gove the accompanying data on tank temperature () and effidency ratio). 171 173 174 175 175 176 177 178 0.82 1.29 1.50 0.99 0.97 1.02 0.98 1.84 Temp 181 181 181 151 182 162 13 Ratio 1.55 1.70 1.51 2.15 2.13 0.80 1.53 0.80 183 183 183 Temp. 185 185 186 187 1899 1.71 1.98 Rate 2.64 1.57 2.56 3.06 1.97 3.14 USE SALT Y- (a) Determine the equation of the estimated regression line. (Round all numerical values to four decimal places.) -16.3193 +.099x х (b) Calculate a point estimate for true average efficiency ratio when tank temperature is 183. (Round your answer to four decimal places) 1.7977 (c) Calculate the values of the residuals from the least squares line for the four observations for which temperature is 183. (Round your answers to two decimal places (183, 0.80) -9977 (183, 1.71) (183, 1.98) (183, 2.64) 8423 0877 1823 XXXX