A Trading Magazine Wants to Determine the Number of Hours

question 79

Multiple Choice

A trading magazine wants to determine the number of hours stockbrokers work each week. In particular, the trading magazine wants to determine if the median number of hours worked per week differs from 100 hours. The magazine samples 18 traders. For the Wilcoxon signed-rank test, the value of the test statistic is T = T⁺ = 153. At the 1% significance level, the critical value is ________.

• A) 1.645
• B) 1.96
• C) 2.33
• D) 2.575

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