Problem 6: An internal auditor for Tiger Enterprises has been asked to determine if there is a difference in the amount charged for daily expenses by two top salesmen, Mr. Ellis and Mr. Ford. The auditor randomly selects seven days and determines the daily expenses for each of the salesmen. Daily Expenses Mr. Ellis ($) Mr. Ford ($) 55 60 53 55 58 65 54 50 56 70 55 55 55 65 a) Using the Wilcoxon rank-sum test, can the auditor conclude that there is a difference in the median amount charged for daily expenses by the two top salesmen, Mr. Ellis and Mr. Ford? Use α = 0.05. b) What assumptions were made in performing the test in part a)?

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problem 6 an internal auditor for tiger enterprises has been asked to

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Problem 6: An internal auditor for Tiger Enterprises has been asked to determine if there is a difference in the amount charged for daily expenses by two top salesmen, Mr. Ellis and Mr. Ford. The auditor randomly selects seven days and determines the daily expenses for each of the salesmen. Daily Expenses Mr. Ellis ($)