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 are shown here. 
What is the value of the test statistic?
Definitions:
Implementation
The process of executing plans, strategies, or policies to achieve specific goals or bring a concept into action.
Knowledge, Skill, Ability
The set of theoretical understanding, practical expertise, and competency an individual has to perform tasks successfully.
Work Environment
The physical and psychological conditions under which employees operate, including the office layout, company culture, and work-life balance.
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