A sample of 3 measurements are taken and recorded: x = 10, y = 6 and z = 9 The sample mean is: x atytz 3 = 8.33 Fill in the table below. ai ( ai - x)2 Ex: 5.34 y Ex: 5.34 2 Ex: 5.34 (I- I) +(y-I)2+(2-2)2 2 Ex: 5.34 (x-x) +(y-I)2+(2-2)2 S = 2 Ex: 5.34