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//Caption: Coefficient of variation
//Example3.17
//Page59
clear;
clc;
Busi_A = [80,85,70,100,115];
Busi_B = [100,70,90,80,150];
N = length(Busi_A);
XA = sum(Busi_A)/N;
XB = sum(Busi_B)/N;
VarA = 0;
VarB = 0;
for i = 1:N
VarA = VarA+(Busi_A(i)-XA)^2;
VarB = VarB+(Busi_B(i)-XB)^2;
end
VarA = VarA/N;
VarB = VarB/N;
StdA = sqrt(VarA);
StdB = sqrt(VarB);
CovA = (StdA/XA)*100;
CovB = (StdB/XB)*100;
disp(CovA,'Coefficient of variation of A CVA =');
disp(CovB,'Coefficient of variation of B CVB=');
if (CovA<CovB) then
disp('Since the coefficient of variation of the Business-A is less than')
disp('that of the Business-B, the cash flow of business-A is more consistent')
disp('when compared to that of the business-B')
else
disp('Since the coefficient of variation of the Business-A is greater than')
disp('that of the Business-B, the cash flow of business-A is not consistent')
disp('when compared to that of the business-B')
end
//Result
//coefficient of variation of A CVA =
//
// 17.568209
//
// Coefficient of variation of B CVB=
//
// 28.425282
//
// Since the coefficient of variation of the Business-A is less than
//
// that of the Business-B, the cash flow of business-A is more consistent
//
// when compared to that of the business-B
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