Cindy Ho,VP of Finance at Discrete Components,Inc $\mu$ ₁ = $\mu$

question 62

Multiple Choice

Cindy Ho,VP of Finance at Discrete Components,Inc.(DCI) ,theorizes that the discount level offered to credit customers affects the average collection period on credit sales.Accordingly,she has designed an experiment to test her theory using four sales discount rates (0%,2%,4%,and 6%) by randomly assigning five customers to each sales discount rate.Cindy's null hypothesis is ___.

• A)\(\mu\) ₁ =\(\mu\) ₂ = \(\mu\) ₃= \(\mu\) ₄= \(\mu\) ₅
• B)\(\mu\) ₁ \(\neq\)\(\mu\) ₂ \(\neq\) \(\mu\) ₃\(\neq\) \(\mu\) ₄\(\neq\) \(\mu\) ₅
• C)\(\mu\) ₁ \(\neq\)\(\mu\) ₂ \(\neq\) \(\mu\) ₃\(\neq\) \(\mu\) ₄
• D)\(\mu\) ₁ =\(\mu\) ₂ = \(\mu\) ₃= \(\mu\) ₄
• E)\(\mu\) ₁ \(\neq\)\(\mu\) ₂ = \(\mu\) ₃= \(\mu\) ₄

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Definitions:

Language Acquisition Device

A hypothetical module of the human brain posited by Noam Chomsky that allows people to understand language structure and acquire language.

Theory of Mind

The ability to attribute mental states—beliefs, intents, desires, emotions, knowledge, etc.—to oneself and to others and to understand that others have beliefs, desires, intentions, and perspectives that are different from one's own.

False Belief

An understanding that others can hold beliefs or perspectives that are different from one's own, even if those beliefs are incorrect; a critical aspect of theory of mind.