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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. The past year's historical data are available and are presented in the following table. 240 236 25 31 45 24 21 24 91 90 100 95 290 88 110 274 60 25 25 87 88 65 72 301 91 94 316 26 94 87 99 300 296 267 276 80 84 75 25 25 24 97 86 96 88 110 60 25 91 105 288 50 38 25 23 90 100 98 261 89 If y = ao + a1x1+a2X2+a3X3+ a4X4 represents the regression model. What is the value of a0? Use 2 decimal places.

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. The past year's historical data are available and are presented in the following table. 240 236 25 31 45 24 21 24 91 90 100 95 290 88 110 274 60 25 25 87 88 65 72 301 91 94 316 26 94 87 99 300 296 267 276 80 84 75 25 25 24 97 86 96 88 110 60 25 91 105 288 50 38 25 23 90 100 98 261 89 If y = ao + a1x1+a2X2+a3X3+ a4X4 represents the regression model. What is the value of a0? Use 2 decimal places.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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QUESTION 4 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 x), the average product purity X3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table. 240 25 24 91 100 236 31 21 90 95 290 45 24 88 110 88 274 60 25 25 87 91 301 65 94 316 72 26 94 99 97 87 86 300 80 25 296 84 25 96 267 75 24 88 110 105 100 276 60 25 91 90 288 50 25 261 38 23 89 98 If y= ao+a1x1 +a2x2+ a3X3+ a4X4 represents the regression model. What is the value of ao? Use 2 decimal places.
Transcribed Image Text:QUESTION 4 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 x), the average product purity X3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table. 240 25 24 91 100 236 31 21 90 95 290 45 24 88 110 88 274 60 25 25 87 91 301 65 94 316 72 26 94 99 97 87 86 300 80 25 296 84 25 96 267 75 24 88 110 105 100 276 60 25 91 90 288 50 25 261 38 23 89 98 If y= ao+a1x1 +a2x2+ a3X3+ a4X4 represents the regression model. What is the value of ao? Use 2 decimal places.
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