A Company Is Researching the Effectiveness of a New Website $\pm$

question 18

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 are the null and alternative hypothesis?

• A) H₀: µ_d = 0; H₁: µ_d \(\pm\) 0
• B) H₀: µ_d \(\pm\) 0; H₁: µ_d = 0
• C) H₀: µ_d \(\neq\) 0; H₁: µ_d > 0
• D) H₀: µ_d \(\ge\) 0; H₁: µ_d \(\neq\) 0
• E) H₀: µ_d \(\ge\) 0; H₁: µ_d < 0

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Definitions:

Close Button

A graphical control element that closes the current window or application when clicked.

Navigation Pane

A UI component that provides users with easy access and navigation to different sections or features within an application or website.

Report Design View

A mode within database software that allows users to visually design the layout and structure of a report before generating it.

Blank Report Button

A user interface element that, when clicked, generates a new, empty report template for data input and analysis.