Exhibit 20

question 48

Multiple Choice

Exhibit 20.2.A trading magazine wants to determine the number of hours stock brokers work each week.In particular,the trading magazine wants to determine if the median numbers 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 . Refer to Exhibit 20.2.The p-value for the test is:

• A)0.0016
• B)0.0032
• C)0.9984

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Definitions:

Services Provided

Tasks or activities done for others, typically in exchange for payment.

Dance Instruction

The act of teaching the art of dance, encompassing a wide range of styles and techniques taught by skilled instructors.

General Journal

A bookkeeping ledger that records every business transaction in chronological order.

Cash Payment

The transfer of money, either physically or electronically, to settle a debt or complete a purchase.