Current Attempt in Progress Consider the data with analysis shown in the following computer output: Level N Mean StDev A 7 86.111 5.572 B 5 76.167 6.555 C 5 80.000 9.230 D 7 69.333 6.154 Source DF MS Groups 3 1022.77 340 Error Totel 23 1948.93 What is the pooled standard dev If freedom are used in doing it these means and differences in means ? Round your enewer for the pled standard deviation to two decimal places. The pooled stenderd deviation degrees of free eTextbook and Meal 64-F Sunny