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

question 95

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:

Heritability

A measure of how much of the variation in a trait within a population is due to genetic differences.

Schizophrenia

A psychiatric disorder marked by significant disruptions in thought processes, perceptions, emotional responsiveness, and social interactions.

Genetic Vulnerability

A predisposition to develop certain conditions or diseases based on one’s genetic makeup.

Concordance Rates

The probability that two individuals with shared genetic or environmental factors will both display a particular trait or characteristic, often used in twin studies.