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M_ <br />FC&IC , I araer s <br />smaller s� <br />The Ftabie value to be compared with Feai, will be selected from a standard table <br />of critical values for the F -distribution. The test will have oo =0.1. The <br />degrees of freedom for the numerator and denominator will each be equal to n-1. <br />If Fcalc<Ftabie then the variances will be considered equal and model A of the <br />difference of the means test will be used. Otherwise, model B will be used. <br />In model A of the difference of the means test, tcalc is determined using equation <br />5. <br />Where: <br />(5) <br />teak XI — z2 <br />2 2 <br />,y, + n2s2 nl + nz <br />nl + n2 - 2 nin2 <br />x bar = release area mean crop production, <br />x bar = reference area mean crop production, <br />S1 2= release area sample variance, <br />s2 =reference area sample variation <br />n1= release area sample size and <br />n2 = reference area sample size. <br />The ttabie value to be compared with tcalc will be selected from a standard table of critical <br />values for the Student's t -distribution. The test will be one -tailed with oo = 0.1 and degrees <br />of freedom = nl + n2 -2. <br />In model B of the difference of the means test, tcalo is determined using equation 6. <br />(6) <br />Section 2.05 RN -6 10/17/2016 <br />