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:
Therapy
The treatment of mental or psychological disorders by psychological means.
Psychological Disorder
A mental disorder characterized by dysfunction in emotions, behaviors, or thoughts leading to significant distress or impairment in daily life.
Less Education
A term indicating lower levels of formal schooling or academic achievement compared to others.
Behavior Therapy
A therapeutic approach focused on changing undesirable behaviors through conditioning techniques.
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