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a company is researching the effectiveness of a new website deign to decrease the time to...

a company is researching the effectiveness of a new website deign 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

User - Old Website Design - New Website Design
A 30 15
B 45 20
C 25 10
D 32 25
E 28 20

Let a ALPHA = 0.05. Is the mean time to access the website deign shorter or is (time for the old design - time for the new design) Greater than zero? Express your answer in terms of the null hypothesis

Math   Statistics-And-Probability   
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