Consider the data with analysis shown in the following com puter output: Level N Mean StDev A 4 10.100 3.005 B 5 16.300 2.163 C 6 10.300 2.33? Source DF 55 MS F F' Groups 2 132.6? 66.34 10.?0 0.002 Error 12 F438 6.20 Total 14 20105 What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means? Round your answer for the pooled standard deviation to two decimal places. The pooled standard deviation is n