The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature (x1), the number of days in the month (x2), the average product purity (x3), and the tons of product produced (x4). A multiple linear regression analysis was applied to the experimental data using MINTAB and the following results were obtained: Regression Analysis: y versus x1, x2, x3, x4 Regression Equation y- 123 + 0.757 x1 + 7.52 x2 + 2.48 x3 - 0481 x4 Coefficients Term Coef SE Coef T-Value P-Value VIF Constant -123 157 -0.78 0.459 x1 0.757 0279 2.71 0.030 232 x2 7.52 4.01 1.87 0.103 216 x3 2.48 1.81 1.37 0.212 134 x4 -0.481 0555 -0.87 0415 1.01 Analysis of Variance Source DF Seg SS Seg MS F-Value P-Value Regression 4 5600.5 1400.1 10.08 0.005 Error 972.5 138.9 Total 11 6572.9 Then, an estimate of the error variance is equal to a. 157 b. 6572.9 C. 972.5 d. 138.9 e. 0.005

The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature (x1), the number of days in the month (x2), the average product purity (x3), and the tons of product produced (x4). A multiple linear regression analysis was applied to the experimental data using MINTAB and the following results were obtained: Regression Analysis: y versus x1, x2, x3, x4 Regression Equation y- 123 + 0.757 x1 + 7.52 x2 + 2.48 x3 - 0481 x4 Coefficients Term Coef SE Coef T-Value P-Value VIF Constant -123 157 -0.78 0.459 x1 0.757 0279 2.71 0.030 232 x2 7.52 4.01 1.87 0.103 216 x3 2.48 1.81 1.37 0.212 134 x4 -0.481 0555 -0.87 0415 1.01 Analysis of Variance Source DF Seg SS Seg MS F-Value P-Value Regression 4 5600.5 1400.1 10.08 0.005 Error 972.5 138.9 Total 11 6572.9 Then, an estimate of the error variance is equal to a. 157 b. 6572.9 C. 972.5 d. 138.9 e. 0.005

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN:9781337111348

Author:Bruce Crauder, Benny Evans, Alan Noell

Publisher:Bruce Crauder, Benny Evans, Alan Noell

Chapter3: Straight Lines And Linear Functions

Section3.CR: Chapter Review Exercises

Problem 15CR: Life Expectancy The following table shows the average life expectancy, in years, of a child born in...

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