Month Temp. Usage/1000 Jan. 21 185.79 Feb. 24 214.47 Mar. 77 288.03 Apr. 47 424.84 May 454.58 June 539.03 July 58 $21.55 Aug. 74 675.06 Sept. 562.03 Oct. 50 452.93 Nov. 41 869.95 Dec. 30 273.98 Assuming that a simple linear regression model is appropriate, fit the regression model relating steam usage (y) to the average temperature (x). (e) Find a 99% confidence interval for , Round your answers to two decimal places (e.g. 98.76). 1 SAIS 1 (b) Find a 99% confidence interval for flo- Round your answers to two decimal places (e.g. 98.76). 1 (c) Find a 95% confidence interval on mean steam usage when the average temperature is 60 F. Round your answers to one decimal place (e.g. 98.7) 1 (d) Find a 95% prediction interval on steam usage when the temperature is 60F. Round your answers to one decimal place (e.g. 98.7) 1 S yoS 1 eTextbook and Media