A multiple regression equation with 2 independent variables has the following properties: a For everyr unit increase in :1, 1:; increases bv 11.9 on average; holding $2 constant. e For ever}.r unit increase in 13, 1:; decreases by 19 on average; holding $1 constant. e Whenslzandsg==31 Which of the following best reoresents the equation? of.- = 37' + 11.911 + 7291-; :31} = 37 + 11.93:1 7.91.; of; = 3r 11.911 7291-; of; = 3r 11.921 + 7.923 :31; = 11.91~1 7.913 3? - Professor Ham ran wants to assess the number of errors in students\" solutions to the 3 assignments in this course. She selects a sample of 3 students and recorded their number of errors as follows: mill-\"BEE mun-BEE a] Determine the centerline and the control limits for the appropriate chart accurate to at least 2 decimal places. i. Centreline = I I ii. LcL =| l iii. ucL=l| b] Is the number of errors within statistical control? :3 No. There is no point beyond the control limits. C;- 'fes. There is no point beyond the control limits. C:- No. There is at least one point beyond the control limits. :3 Yes. There is at least one point beyond the control limits. . Question 7 C Supply Demand 300 A 150 500 B 450 a Formulate an LP model for this transportation network above. Ty = number of units shipped from node i to node j Input the coefficients, signs and RHS values in the answer boxes below: Min Cost = subject to: CA1 + TA2 7 V CBI + CB2 7V CA1 + CB1 7V CA2 + CB2 7V TAI, A2, "BI, CB2 2 0