Consider the data with analysis shown in the following computer output: Level N Mean StDev A 6 10.100 2.942 B 5 16.800 2.168 4 10.800 2.387 Source DF SS MS F P Groups 2 138.60 69.30 10.50 0.002 Error 12 79.17 6.60 Total 14 217.77 What is the pooled standard deviation? What degrees of freedom are used in doing inferences for the means? Round your answer for the pooled standard deviation to two decimal places. The pooled standard deviation is 257 degrees of freedom - 2.12 Type here to search O. i L 6