Example 2: In a completely randomized design, 9 experimental units were used for each of the 4 levels of the factor.

Source of Sum of Degrees of Mean Square F Variation Squares Freedom Treatment Error 567950.5 Total 913563.3Essentials of Statistics for Business and Economics (8e) ANOVA Table for a Completely Randomized Design Source of Sum of Degrees of Mean D- Variation Squares Freedom Square F Value SSTR MSTR Treatments SSTR k - 1 MSTR = k - 1 MSE SSE Error SSE nT - k MSE = nT - K Total SST nT - 1 SST is partitioned SST's degrees of freedom (d.f.) are into SSTR and SSE. partitioned into SSTR's d.f. and SSE's d.f