The sales records of two branches of a department store over the last 12 months are shown below. (Sales figures are in thousands of dollars.) We want to use the Mann-Whitney-Wilcoxon test to determine if there is a significant difference in the sales of the two branches. a.Compute the sum of the ranks (T) for branch A. b.Compute the mean $\mu$_T. c.Compute $\sigma$_T. d.. Use $\alpha$= 0.05 and test to determine if there is a significant difference in the populations of the sales of the two branches.

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The Answer of The sales records of two branches of a department store over the last 12 months are shown below. (Sales figures are in thousands of dollars.) We want to use the Mann-Whitney-Wilcoxon test to determine if there is a significant difference in the sales of the two branches. a.Compute the sum of the ranks (T) for branch A. b.Compute the mean $\mu$_T. c.Compute $\sigma$_T. d.. Use $\alpha$= 0.05 and test to determine if there is a significant difference in the populations of the sales of the two branches.

The Sales Records of Two Branches of a Department Store μ\muμ

The Sales Records of Two Branches of a Department Store $\mu$