What is the F statistic for supplier?What is the DF for Batch (supplier)?What supplier has the smallest variability within batch's

Nested ANOVA: Value versus Supplier, Batch Analysis of Variance for Value Source DF SS MS F P Supplier 2 12.3889 6.1944 0.681 0.531 Batch 19 81.9167 9.1019 3.006 0.015 Error 24 72.6667 3.0278 Total 35 166.9722 Variance Components Source Var Comp. % of Total StDev Supplier -0.242* 0.00 0.000 Batch 2.025 40.07 1.423 Error 3.028 59.93 1.740 Total 5.052 2.248 * Value is negative, and is estimated by zero. Expected Mean Squares 1 Supplier 1.00 (3) + 3.00 (2) + 12.00 (1) 2 Batch 1.00 (3) + 3.00 (2) 3 Error 1.00 (3)