A Company Is Researching the Effectiveness of a New Website

question 3

Multiple Choice

A company is researching the effectiveness of a new website design to decrease the time to access a website. Five website users were randomly selected, and their times (in seconds) to access the website with the old and new designs were recorded. To compare the times, they computed (new website design time - old website design time) . The results follow. What is the null hypothesis?

• A) H₀: µ_d = 0
• B) H₀: µ_d ≠ 0
• C) H₀: µ_d ≤ 0
• D) H₀: µ_d ≥ 0

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Definitions:

Criticizing Employers

The act of expressing disapproval or finding faults with one's employers or workplace, potentially pointing out areas needing improvement or expressing discontentment.

Hired

Employed or engaged the services of an individual or entity for a specific job or task in exchange for compensation.

Tactful

Showing sensitivity and thoughtfulness in dealing with others, especially in difficult situations.

Mailing

The process of sending letters and packages through the postal service.