Machine Electricity Month Hours Costs January 2,500 $19,200 February 2,900 $22,600 March 1,900 $14,300 April 3,100 $24,600 May 3,800 $29,050 June 3,300 $23,600 July 4,100 $25,550 August 3,500 $23,550 September 2,000 $17,100 October 3,700 $27,600 November 4,700 $32,600 December 4,200 $28,550 Summary Output Regression Statistics Multiple R R Square Adjusted R2 Standard Error Observations Intercept Machine Hours 0.956 0.914 0.905 1,615.39 12.00 Coefficients Standard Error t Stat P-value Lower 958 4,974.43 5.76 1,907.43 0.56 2.61 0.03 10.30 0.00 724.41 4.51 Upper 951 9,224.45 7.00 Intercept Machine Hours Coefficients Standard Error t Stat P-value Lower 951 Upper 95t 4,974.43 5.76 1,907.43 2.61 0.56 10.30 0.03 0.00 724.41 4.51 9,224.45 7.00 Based on the results of the regression analysis, the estimate of electricity costs in a month with 2,200 machine hours would be: (rounded to the nee whole dollar) Multiple Choice $17,643 $23,444 $4,974. $16,425 9