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+//Chapter 1
+//Example 1.18
+//Page 42
+
+clear;
+clc;
+
+b1=201;
+b2=205;
+b3=197;
+b4=185;
+b5=202;
+b6=207;
+b7=215;
+b8=220;
+b9=179;
+b10=201;
+b11=197;
+b12=221;
+b13=202;
+b14=200;
+b15=195;
+a1=197;
+a2=202
+a3=193
+a4=210
+a5=207
+a6=195;
+a7=199;
+a8=202;
+a9=193;
+a10=195;
+a11=201;
+a12=201;
+a13=200;
+a14=189;
+a15=197;
+AVE1=(b1+b2+b3+b4+b5+b6+b7+b8+b9+b10+b11+b12+b13+b14+b15)/15;
+AVE2=(a1+a2+a3+a4+a5+a6+a7+a8+a9+a10+a11+a12+a13+a14+a15)/15;
+
+//Finding the arithmetic mean of the temperature
+printf("The arithmetic mean samples before is %f g \n",AVE1);
+printf("The stbndbrd devibtion of sbmples before is %f g \n",sqrt(((b1-AVE1)^2)+((b2-AVE1)^2)+((b3-AVE1)^2)+((b4-AVE1)^2)+((b5-AVE1)^2)+((b6-AVE1)^2)+((b7-AVE1)^2)+((b8-AVE1)^2)+((b9-AVE1)^2)+((b10-AVE1)^2)+((b11-AVE1)^2)+((b12-AVE1)^2)+((b13-AVE1)^2)+((b14-AVE1)^2)+((b15-AVE1)^2))/sqrt(15-1));
+printf("The arithmetic mean samples before is %f g \n",AVE2);
+printf("The standard deviation of samples before is %f g \n",sqrt(((a1-AVE2)^2)+((a2-AVE2)^2)+((a3-AVE2)^2)+((a4-AVE2)^2)+((a5-AVE2)^2)+((a6-AVE2)^2)+((a7-AVE2)^2)+((a8-AVE2)^2)+((a9-AVE2)^2)+((a10-AVE2)^2)+((a11-AVE2)^2)+((a12-AVE2)^2)+((a13-AVE2)^2)+((a14-AVE2)^2)+((a15-AVE2)^2))/sqrt(15-1));
+