initial commit / add all books

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diff --git a/1475/CH9/EX9.9/Example_9_9.sce b/1475/CH9/EX9.9/Example_9_9.sce
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+// Examcle 9.9 The following are the numbers of defects noted in 20 hundred 

+clc;

+clear;

+Total=20;

+Def=sum([3 3 6 3 0 1 3 5 7 8 4 10 5 5 4 3 4 5 4 1]);

+c=Def/Total;

+CL=c;

+UCL=c+3*(sqrt(c));

+LCL=c-3*(sqrt(c));

+disp(LCL,"Lower Control Limit =",UCL,"Upper Control Limit",CL,"Centre Line = ",Total," Total No. of Samples =",Def,"Total defective items =");

diff --git a/1475/CH9/EX9.9/Output_9_9.PNG b/1475/CH9/EX9.9/Output_9_9.PNG
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