CHALLENGE ACTIVITY 3.3.1: Measures of variability. Jump to level 1 A sample of 3 measurements are taken and recorded: x = 6, y = 9 and z = 7 The sample mean is: x = actytz 3 =7.33 Fill in the table below. ai (ai - x) 2 Ex: 5.34 y Ex: 5.34 2 Ex: 5.34 $2 - (20-20)2+(y-20)"+(2-20)2 = 2 Ex: 5.34 S ac - 20) + (y-20) + (2-20)2 2 Ex: 5.34 2 3 4 Check Next Feedback? Search for anything O Eli M w O X