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. 
For a 0.01 significance level,what is the critical value?
Definitions:
Common Project
A collaborative effort where multiple individuals or groups work towards a shared goal.
Individual Skills
Personal abilities or competencies that enable a person to perform tasks effectively on his or her own.
Group
A collection of individuals who interact with each other, share similar characteristics, and collectively have a sense of unity.
Travel Costs
Expenses incurred during travel, such as for transportation, lodging, and meals.
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