initial commit / add all books

1 files changed, 30 insertions, 0 deletions

diff --git a/149/CH35/EX35.12/ex12.sce b/149/CH35/EX35.12/ex12.sce
new file mode 100755
index 000000000..5a9a1a347
--- /dev/null
+++ b/149/CH35/EX35.12/ex12.sce
@@ -0,0 +1,30 @@
+clear

+clc

+n=9

+disp('first of row denotes the different values of sample ')

+A(1,:)=[45 47 50 52 48 47 49 53 51];

+disp('the second row denotes the corresponding deviation ')

+for i=1:9

+  A(2,i)=A(1,i)-48;

+end

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

+for i=1:9

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

+end

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

+a=0;

+for i=1:9

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

+end

+a

+disp('the sum of third row elements ")

+b=0;

+for i=1:9

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

+end

+b

+disp('let m be the mean ')

+m=48+a/n

+disp('let d be the standard deviation ')

+d=((b/n)-(a/n)^2)^0.5

+t=(m-47.5)*(n-1)^0.5/d
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