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 null hypothesis?
Definitions:
Gambler's Fallacy
The erroneous belief that if an event happens more frequently than normal during a past period, it will happen less frequently in the future, or vice versa.
Sunk Cost Fallacy
The misconception that one should continue an endeavor because of previously invested resources (time, money, effort) even if current costs outweigh the benefits.
Reductio Ad Absurdum
A logical argument technique where a proposition is disproven by following its implications to an absurd consequence.
Argumentum Ad Hominem
A fallacy in debate that targets a person's character or personal traits in an attempt to discredit their argument, rather than addressing the argument itself.
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