A sample of 3 measurements are taken and recorded: a = 8, y = 7 and z = 10 The sample mean is: d = ctytz = 8.33 3 Fill in the table below. (ai - z)2 8 y 9 2 19 (e-) +(y*)+(2-2)' = Ex: 5.34 2 (@-@)'+(ya)+(2) S= = 2 Ex: 5.34