Compare your results in Problems 12.44 and 12.45 with the corresponding results in Table 12.9 (on page 582) for MAXFWT and Problem 12.40 for IQF where parametric methods were used. 

Table 12.9: Comparison of group means for MAXFWT for pairs of specific groups (LSD procedure)

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The GLM Procedure Least squares Means lead_ maxfwt standard LSMEAN Pr > |t| LSMEAN Number Error group Control 55.0952381 1.2917390 <.0001 47.5882353 2.4866840 <.0001 2 cur exp <.0001 49.4000000 2.6472773 Prv exp Least squares Means for lead_group t for H0: LSMean (1) = / Pr > |t| LSMean (j) Dependent Variable: maxfwt 1/1 2 3 2.678991 -1.933461 0.0087 0.0563 -2.67899 -0.49883 0.0087 0.6191 -1.93346 0.498829 0.0563 0.6191 2.