Assumed that the amount of pain or use during and give them up this anniversary proportional to the aside temperature of Andrea's pet store uses 529 gallons of oil and a month that has an average temperature of 37\deg F. How much oil would you expect to use in a month of the same length with an average daily temperature of 36\deg F
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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. The past year's usage and temperatures are in the following table: Month Temperature Usage/1000 Jan 21 185.79 Feb 24 214.47 Mar 32 288.03 Apr 47 424.84 May 50 454.58 Jun 59 593.03 Jul 68 621.55 Aug 74 675.06 Sep 62 562.03 Oct 50 452.93 Nov 41 369.95 Dec 30 273.98 Suppose that the monthly average temperature is 47°F: 1- What will be the corresponding residual for the fitted value of y, suppose that the monthly average temperature is 47°F? 2- What is the expected change in mean steam usage when the monthly average temperature changes by 1°F? 3- What is the estimate of the error standard deviation σ? 4- What is the estimate of expected steam usage when the average temperature is 55°F?
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