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?
Definitions:
Filtration Membrane
A biological or synthetic membrane that acts as a selective barrier, allowing some substances to pass while blocking others, especially used in filtering substances from the blood in the kidneys.
Nephron
The basic structural and functional unit of the kidney, responsible for filtering blood and producing urine.
Glomerular Capsule
A cup-shaped structure surrounding the glomerulus in each nephron of the kidney, where filtration of blood plasma occurs.
Afferent Arteriole
A small artery that leads into the glomerulus of the kidney, where it divides into capillaries for blood filtration.
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