Table A12

Residual normality test for Equation (5)

Shapiro-Wilk W test for normal data
VariableObsWVzProb > z
resid4,4590.833409.50015.7260.000

Note(s): The normal approximation to the sampling distribution of W′ is valid for 4 ≤ n ≤ 2000

Source(s): Authors’ compilation

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