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WWW II. (20 points) 得分 Three different assembly methods have been proposed for a new product. A experimental design was chosen to determine which assembly methods results in the greatest number of parts produced per hour, and 30 workers were randomly selected and assigned to use one of the proposed methods. The number of units produced by each worker follows. A B C 97 93 84 73 78 69 . 94 88 91 are 1. In this research, the factor is the treatments Analysts will use (the name of the method) to do the research. 2. If they want to test for the equality of these population means, the null hypotheses Ho is the alternative hypotheses He is 3. If SST=4256, SSTR=420 , Set up the ANOVA table and use a=0.05 to test whether the mean number of parts produced is the same with each method. P-Value=0.246