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data ex11_2; input x a b @@; cards; 105 1 1 80 1 1 65 1 1 75 2 1 115 2 1 80 2 1 85 3 1 120 3 1 125 3 1 115 1 2 105 1 2 80 1 2 125 2 2 130 2 2 90 2 2 65 3 2 120 3 2 100 3 2 75 1 3 95 1 3 85 1 3 135 2 3 120 2 3 150 2 3 180 3 3 190 3 3 160 3 3 ; proc anova; class a b; model x=a b a*b; run;
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