Maxwell Cantor,VP of Human Resources of Asimov Aerospace Industries Inc $\mu$

question 10

Multiple Choice

Maxwell Cantor,VP of human resources of Asimov Aerospace Industries Inc.,is reviewing the technical certifications of employees in different divisions of the company.His goal is having 90% of technical employees with up-to-date certifications.The north-east division typically has maintained higher rates of up-to-date certifications than the southern division.He selects a random sample of 250 employees from the north-east division and 300 from the southern division and finds out that the number of employees with up-to-date certifications are 230 in the north-east division and 265 in the southern division.Maxwell's null hypothesis is ______.

• A) \(\mu\)₁ − \(\mu\)₂ = 0
• B) p₁ − p₂ > 0
• C) \(\mu\)₁ − \(\mu\)₂ < 0
• D) \(\mu\)₁ − \(\mu\)₂ ≥ 0
• E) p₁ − p₂ = 0

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Definitions:

Chain Referral

A sampling method where existing study subjects recruit future subjects from among their acquaintances.

Quota Sampling

a market research technique that involves selectively collecting samples from a specific subset of a population, ensuring representation based on characteristics.

Initial Discovery

The first stage of research or inquiry where a new idea, phenomenon, or piece of information is identified.

Research

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.