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+// Exa 1.4
+
+clc;
+clear all;
+
+// Given data
+x1= 49.7;
+x2= 50.1;
+x3= 50.2;
+x4= 49.6;
+x5= 49.7;
+
+// solution
+
+X_mean= (x1+x2+x3+x4+x5)/5; // Arithmatic mean
+
+d1= x1-X_mean;
+d2= x2-X_mean; // deviation from each value
+d3= x3-X_mean;
+d4=x4-X_mean;
+d5=x5-X_mean;
+
+d_total= d1+d2+d3+d4+d5; //Algebraic sum of deviations
+
+printf('The arithmatic mean is %.2f \n \n',X_mean);
+printf(' Deviation from x1 is %.2f \n ',d1);
+printf('Deviation from x2 is %.2f \n ',d2);
+printf('Deviation from x3 is %.2f \n ',d3);
+printf('Deviation from x4 is %.2f \n ',d4);
+printf('Deviation from x5 is %.2f \n \n',d5);
+printf(' The algebraic sum of deviation is %d \n',d_total);