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A sample of 3 measurements are taken and recorded: x = 5, y = 7 and z = 8 The sample mean is: D =

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A sample of 3 measurements are taken and recorded: x = 5, y = 7 and z = 8 The sample mean is: D = Itytz 3 = 6.67 Fill in the table below. ari (ai - x)2 C Ex: 5.34 y Ex: 5.34 Ex: 5.34 (xx) +(yx)+( 2-)' = Ex: 5.34 2 S= = 2 Ex: 5.34

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