26 The data on the amount of products sold by 4 sales representatives working in a factory in a month are given below. It is desired to investigate whether there is a difference between the amount of products sold by the sales representatives. Using these data, find the Kruskal-Wallis variance analysis calculation value.  a) 3,500  B) 5,500  NS) 4,500  D) 1,500  TO) 2,500

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