Exhibit 20

question 44

Multiple Choice

Exhibit 20.3.A company which produces financial accounting software wants to offer better training to its customers.The training is intended to decrease the amount of time required to do complicated accounting calculations.For seven individuals,the amount of time (in minutes) to complete a complicated calculation is determined before and after completing the new training. Refer to Exhibit 20.3.Using the critical value approach,appropriate conclusion is:

• A)Reject the null hypothesis,cannot conclude the median difference of the times is greater than zero
• B)Reject the null hypothesis,conclude the median difference of the times is greater than zero
• C)Do not reject the null hypothesis,cannot conclude the median difference of the times is greater than zero
• D)Do not reject the null hypothesis,conclude the median difference of the times is greater than zero

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Definitions:

Alabama

A state in the southeastern region of the United States, known for its rich history in civil rights and as a key battleground in the American Civil War.

Harriet Tubman

An African American abolitionist, humanitarian, and during the American Civil War, a Union spy, best known for her role in helping enslaved people escape through the Underground Railroad.

Kidnapped

The act of unlawfully abducting and holding a person against their will, often for ransom or other demands.