initial commit / add all books

1 files changed, 39 insertions, 0 deletions

diff --git a/149/CH23/EX23.2/ex2.sce b/149/CH23/EX23.2/ex2.sce
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+clc

+disp('the first row of A represents the mid values of weekly earnings having interval of 2 in each class=x')

+A(1,:)=[11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41]

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

+A(2,:)=[3 6 10 15 24 42 75 90 79 55 36 26 19 13 9 7]

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

+for i=1:16

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

+end

+disp('fourth row denotes u=(x-25)/2')

+for i=1:16

+  A(4,i)=(A(1,i)-25)/2

+end

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

+for i=1:16

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

+end

+A

+b=0;

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

+for i=1:16

+  b+=A(3,i)

+end

+disp(b)

+f=0;

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

+for i=1:16

+  f+=A(2,i)

+end

+disp(f)

+disp('mean=')

+b/f

+d=0;

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

+for i=1:16

+  d+=A(5,i)

+end

+disp('mean  by step deviation method=')

+25+(2*d/f)
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