2. 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 a. Fit a multiple linear regression model to these data. b. Predict power consumption for a month in which x1 =75° F, x2 = 24 days, x3 = 90% and x4 = 98 tons.
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2. 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), a...
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 x1 x2 x3 x4 y 25.00 24.00 91.00 100.00 240.00 31.00 21.00 90.00 95.00 236.00 45.00 24.00 88.00 110.00 270.00 60.00 25.00 87.00 88.00 274.00...
II) (10 marks) The number of pounds of steam used per month by a chemical plant is thought to be related to the average ambient temperature (in F) for that month. An investigator has collected the past year's usage and temperature in a table. Some summary statistics related to this dataset are provided y-5062.212x,2-29256, n 12 , x,-558, y,2 2416144 Xiy.-265864.6, (yi-%)2-37.746 Month Temp. Usage/1000 Jan 21 Feb 24 Mar. 32 Apr. 47 May 50 June 59 July 68 Aug....