51Variances (Standard Deviations) and Coefﬁcients of Variation

The SAS System 13:53 Wednesday, November 7, 2012 7

The MEANS Procedure

Variable Label N Mean Std Dev Minimum Maximum

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X1 X1 35 0.1920832 1.8406642 -3.8176650 4.3223639

X2 X2 35 0.1100396 2.0376728 -4.5550806 4.7211140

k0 k0 35 1.0500000 0 1.0500000 1.0500000

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The SAS System 13:53 Wednesday, November 7, 2012 8

var_

Obs _TYPE_ _FREQ_ xbar1 xbar2 k0val v1 v2 n1 n2 beta ratio crit_val

1 0 35 0.192 0.110 1.05 3.38804 4.15211 35 35 0.05 0.81598 1.60732

• JMP Data Table and formulas (Figure3.4)

FIGURE 3.4

Test 3.2, JMP screen.