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.For the Wilcoxon signed-rank test,the competing hypotheses are:
Definitions:
Free Floating
Referring to anxiety or unease that is not tied to a specific object or situation.
Generalized Anxiety Disorder
A mental health disorder characterized by excessive, uncontrollable worry about everyday things, beyond normal stress or anxiety levels.
Chronic Dread
A persistent and overwhelming feeling of fear and anxiety about the future or unknown.
Pessimism
A predisposition towards observing the most negative aspects of situations or expecting the most unfavorable outcomes; an absence of optimism or trust in what lies ahead.
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Q94: Exhibit 20.3.A company which produces financial accounting