initial commit / add all books

1 files changed, 45 insertions, 0 deletions

diff --git a/149/CH23/EX23.8/ex8.sce b/149/CH23/EX23.8/ex8.sce
new file mode 100755
index 000000000..201157e53
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+++ b/149/CH23/EX23.8/ex8.sce
@@ -0,0 +1,45 @@
+clc

+disp('the first row of A represents the mid values of wage classes having interval of 8 in each class=x')

+A(1,:)=[8.5 16.5 24.5 32.5 40.5 48.5 56.5 64.5 72.5]

+disp('the second row denotes the no. of men or in other words frequency=f')

+A(2,:)=[2 24 21 18 5 3 5 8 2]

+disp('third row denotes f*x')

+for i=1:9

+  A(3,i)=A(1,i)*A(2,i);

+end

+disp('fourth row denotes d=(x-32.5)/8')

+for i=1:9

+  A(4,i)=(A(1,i)-32.5)/8

+end

+disp('fifth row denotes f*d')

+for i=1:9

+  A(5,i)=A(4,i)*A(2,i);

+end

+disp('sixth row denotes f*(d^2)  ')

+for i=1:9

+  A(6,i)=A(4,i)^2*A(2,i);

+end

+A

+b=0;

+disp('sum of all elements of sixth row=')

+for i=1:9

+  b+=A(6,i)

+end

+disp(b)

+f=0;

+disp('sum of all elements of second row=')

+for i=1:9

+  f+=A(2,i)

+end

+disp(f)

+disp('mean=')

+b/f

+d=0;

+disp('sum of all elements of fifth row=')

+for i=1:9

+  d+=A(5,i)

+end

+disp('mean wage=')

+32.5+(8*d/f)

+disp('standard deviation=')

+8*(b/f-(d/f)^2)
\ No newline at end of file