Answer the following: A. Complete the table below. 1. k =4 Source SS df MS F Between 87.40 Within Total 199.22 33 B. A concern consumer organization was interested in determining whether any difference existed in the average life of four different brands of LED bulbs. A random sample of five LED bulbs of each brand was tested with the following results (in months). At the 0.05 level of significance, is there evidence of significant difference in the average life of these four brands of LED bulbs? Refer to the table below. Brand A Brand B Brand C Brand D 12 11 12 12 13 10 11 15 11 13 15 12 14 15 15 10 15 14 16 11