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+//caption:find(a)arithmetic mean(b)deviation from mean(c)average deviation(d)standard deviation(e)variance(f)probable reading of one error
+//Ex2.17
+clc
+clear
+close
+x1=12.8//first reading(in V)
+x2=12.2//second reading(in V)
+x3=12.5//third reading(in V)
+x4=13.1//fourth reading(in V)
+x5=12.9//fifth reading(in V)
+x6=12.4//sixth value(in V)
+n=6//number of reading
+x=(x1+x2+x3+x4+x5+x6)/n
+disp(x,'(a)arithmetic mean(in V)=')
+d1=x1-x
+d2=x2-x
+d3=x3-x
+d4=x4-x
+d5=x5-x
+d6=x6-x
+disp(d6,d5,d4,d3,d2,d1,'(b)value of deviation(in V)=')
+D=((d1)+(-d2)+(-d3)+(d4)+(d5)+(-d6))/n//taking mod of deviation value
+disp(D,'(c)average deviation=')
+S=((d1^2+d2^2+d3^2+d4^2+d5^2)/(n-1))^(0.5)
+disp(S,'(d)standard deviation(in V)=')
+V=S^2
+disp(V,'(e)variance(in V)=')
+P=0.6745*V
+disp(P,'(f)probable error of one reading(in V)=')
+\ No newline at end of file