//Calculate the control limits for the p-chart using 3σ limits //page no 147 clear clc; d=26; ns=447; P1=d/ns; n=48; //Control limits for p-chart mprintf("\P1 = %.4f \n",P1); UCL=P1+3*sqrt((P1*(1-P1))/n); mprintf("\UCL = %.2f \n",UCL); LCL=P1-3*sqrt((P1*(1-P1))/n); mprintf("\LCL = %.2f \n",LCL); CL=P1; mprintf("\CL = %.2f \n",CL);