Please Show All Workings Very Clearly! Three companies are producing a same product. According to the managements of the three companies, there is not a difference in average weight of the product. You have been appointed to test this statement. Three samples size of 6 items from each company have been selected and information is given below. Company Company Company A В C 03 05 05 07 07 06 06 06 07 05 06 07 05 05 09 04 07 08 Test the above statement.

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