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Mathematics, 12.08.2020 06:01 j1theking18
The Marketing Manager of Zanga Zanga Enterprise claims that the performance of sales team in Lusaka and Choma is the same. She collected sales achieved in three products in Lusaka and Choma. The following are the sales gathered: A B C Lusaka 30 45 55 Choma 35 30 65 Is there sufficient evidence to justify the Marketing Manager’s claim at level of significance of 5%?
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