A Company Is Researching the Effectiveness of a New Website

question 54

Essay

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. The results follow. What is the value of the test statistic to test for differences in the times?

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Definitions:

Acidity

A measure of the concentration of hydrogen ions in a solution, indicating how acidic or alkaline the solution is.

Hydrogen Ions

Positively charged ions (H+) that are formed when hydrogen atoms lose their electrons; a high concentration of hydrogen ions indicates acidity.

Protons

Positively charged subatomic particles found in the nucleus of an atom, determining the element's atomic number.

Acidic

Having a pH less than 7, indicating a higher concentration of hydrogen ions in a solution, which gives it acidic properties.