initial commit / add all books

1 files changed, 53 insertions, 0 deletions

diff --git a/149/CH23/EX23.9/ex9.sce b/149/CH23/EX23.9/ex9.sce
new file mode 100755
index 000000000..085cb54b4
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+++ b/149/CH23/EX23.9/ex9.sce
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+clear

+clc

+disp('the first row of A denotes the scores of A  and that of B denotes that of B')

+A(1,:)=[12 115 6 73 7 19 119 36 84 29];

+B(1,:)=[47 12 16 42 4  51 37 48 13 0];

+disp('the second row of A annd B denotes the corresponding deviation ')

+for i=1:10

+  A(2,i)= A(1,i)-51;

+  B(2,i)=B(1,i)-51;

+    end

+disp('the third row of A and B denotes the corresponding deviation square')

+for i=1:10

+  A(3,i)= A(2,i)^2;

+  B(3,i)=B(2,i)^2;

+end

+A

+B

+b=0;

+disp('sum of second row elements of A=b=')

+for i=1:10

+  b=b+A(2,i);

+  end

+  disp(b)

+  c=0;

+disp('sum of second row elements of B=c=')

+for i=1:10

+  c=c+B(2,i);

+  end

+  disp(c)

+  d=0;

+disp('sum of third  row elements of A=d=')

+for i=1:10

+  d=d+A(3,i);

+  end

+  disp(d)

+  e=0;

+disp('sum of second row elements of B=e=')

+for i=1:10

+  e=e+B(3,i);

+  end

+  disp(e)

+  disp('arithmetic mean of A=')

+  f=51+b/10

+  disp('standard deviation of A=')

+  g=(d/10-(b/10)^2)^0.5

+  disp('arithmetic mean of B=')

+  h=51+c/10

+  disp('standard deviation of A=')

+  i=(e/10-(c/10)^2)^0.5

+  disp('coefficient of variation of A=')

+  (g/f)*100

+  disp('coefficient of variation of B=')

+  (i/h)*100
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