Maintenance Month Cost Jan. $ 4,950 Feb. 3,750 Mar. 4,350 Apr. 3,570 May 5,100 June 3,710 July 3,780 Aug. 5, 220 Sept. 5,010 Oct. 4,800 Nov. 4,050 Dec. 3,910 Sum $52,200 Average $ 4,350 Average cost per hour a (intercept) b (coefficient) Standard error of the estimate R-squared t-value for b Machine Hours 520 350 390 290 510 290 340 480 500 460 330 370 4,830 $ 403 $ 11.00 $1,565.02 6.9192 186.6242 0.9191 17.826 Based on the data derived from the regression analysis, 420 maintenance hours in a month mean that maintenance costs should be budgeted to the nearest dollar at Multiple Choice $4,658. $3,309. $4,676. $4,471. None of these answer choices are correct