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// Case Study: Chapter-7
// 2.Calculation of standard deviation
MAXSIZE=100;
sum1=0;n=0;sumsqr=0;
disp("Input values:input -1 to end");
for i=1:MAXSIZE
value(i)=scanf("%f"); //Entering values in the array named value
if(value(i)==-1)
break;
end
sum1=sum1+value(i);
n=n+1;
end
mean1=sum1/n; //Computes mean
for i=1:n
deviation=value(i)-mean1;
sumsqr=sumsqr+deviation^2;
end
variance1=sumsqr/n;
stddeviation=sqrt(variance1); //Computes standard deviation
//Printing items,Mean and Standard deviation
printf("Number of items: %d\n",n);
printf("Mean: %f\n",mean1);
printf("Standard deviation: %f\n",stddeviation);
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