1 files changed, 37 insertions, 0 deletions
diff --git a/149/CH35/EX34.15/ex15.sce b/149/CH35/EX34.15/ex15.sce
new file mode 100755
index 000000000..286953621
--- /dev/null
+++ b/149/CH35/EX34.15/ex15.sce
@@ -0,0 +1,37 @@
+clear
+clc
+n=11
+disp('the first row denotes the boy no. ')
+A(1,:)=[1 2 3 4 5 6 7 8 9 10 11];
+disp('the second row denotes the marks in test I (x1) ')
+A(2,:)=[23 20 19 21 18 20 18 17 23 16 19];
+disp('the third row denotes the marks in test I (x2) ')
+A(3,:)=[24 19 22 18 20 22 20 20 23 20 17];
+disp('the fourth row denotes the difference of marks in two tests (d)')
+for i=1:11
+  A(4,i)=A(3,i)-A(2,i);
+end
+disp('the fifth row denotes the  (d-1) ')
+for i=1:11
+  A(5,i)=A(4,i)-1;
+end
+disp('the sixth row denotes the square of elements of fourth row')
+for i=1:11
+  A(6,i)=A(4,i)^2;
+end
+A
+a=0;
+disp('the sum of elements of fourth row= ')
+for i=1:11
+  a=a+A(4,i);
+end
+a
+b=0;
+disp('the sum of elements of sixth row= ')
+for i=1:11
+  b=b+A(6,i);
+end
+b
+disp('standard deviation')
+d=(b/(n-1))^0.5
+t=(1-0)*(n)^0.5/2.24
+\ No newline at end of file