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Si phi négatif comment est calculer phi par la loi normale?
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- Consider data for four random variables T, U, V, W. For each variable, there are six observations (n = 6). You should do this without computing the skewness coefficient:T = (1, 3, 4, 4, 5, 8)U = (1, 1, 1, 2, 3, 4)V = (1, 2, 3, 3, 4, 5)W = (1, 2, 3, 4, 4, 4)The skewness coefficient for variable U is approximately: