Performance Records for 18 Salespersons Are Selected to Investigate Whether $\alpha$

question 23

Multiple Choice

Performance records for 18 salespersons are selected to investigate whether compensation methods are a significant motivational factor. A Kruskal-Wallis test is to be performed with $\alpha$ = 0.01.The null hypothesis is ___.

• A)Group 1 = Group 2 = Group 3
• B)Group 1 \(\neq\) Group 2\(\neq\)Group 3
• C)Group 1 \(\ge\) Group 2 \(\ge\)Group 3
• D)Group 1\(\le\)Group 2 \(\le\)Group 3
• E)Group 1 \(\le\)Group 2 ≥ Group 3

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Definitions:

MP

Stands for "Member of Parliament," but in a logical context, it refers to a deductive pattern of reasoning where a specific conclusion is inferred from a general rule and a specific case.

Conj

An abbreviation for "Conjunction," a logical operator that connects two conditions or propositions where both must be true.

Inference Forms

Patterns of reasoning where specific statements lead logically to a conclusion.

MP

In logic, MP refers to Modus Ponens, a form of argument that if a conditional statement ('If P then Q') is accepted, and P is affirmed, then Q must also be affirmed.