Exhibit 20

question 86

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.Using the critical value approach,the appropriate conclusion is:

• A)Reject the null hypothesis,cannot conclude the median number of hours worked per week differs from 100
• B)Reject the null hypothesis,conclude the median number of hours worked per week is greater than 100
• C)Reject the null hypothesis,cannot conclude the median number of hours worked per week is less 100
• D)Reject the null hypothesis,conclude the median number of hours worked per week differs from 100

---

Definitions:

Verbal Content

The textual or spoken component within communication, as opposed to non-verbal elements.

Nonverbal Cues

Communication without words, including gestures, body language, facial expressions, and other visual and auditory signs.

Equal Employment Opportunity Commission

A U.S. federal agency that enforces laws prohibiting workplace discrimination and advocates for fair treatment in employment regardless of race, religion, sex, nationality, age, disability, or genetic information.

Employment Discrimination

Unfair treatment of employees or job applicants based on race, color, religion, sex, national origin, age, disability, or genetic information.