1 files changed, 25 insertions, 0 deletions
diff --git a/3513/CH7/EX7.9/Ex7_9.sce b/3513/CH7/EX7.9/Ex7_9.sce
new file mode 100644
index 000000000..ea801870c
--- /dev/null
+++ b/3513/CH7/EX7.9/Ex7_9.sce
@@ -0,0 +1,25 @@
+//Calculate the control limits for the p-chart using 3σ limits
+//page no 152
+clear
+clc;
+ds=230;
+ns=4150;
+P1=ds/ns;
+n=200;
+//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);
+P1=(230-30)/(4150-200);
+//Control limits for p-chart
+mprintf("\Again for \nP1 = %.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 = %.4f \n",LCL);
+CL=P1;
+mprintf("\CL = %.2f \n",CL);