Exhibit 10.10.A bank is trying to determine which model of safe to install.The bank manager believes that each model is equally resistant to safe crackers,but sets up a test to be sure.He hires nine safe experts to break into each of the models,timing each endeavor.The results (in seconds) are given next,paired by expert.Let D be the difference: Time to break Safe 1 minus Time to break Safe 2. 
Refer to Exhibit 10.10.Which of the following hypotheses will determine if the two safes take,on average,the same amount of time to crack?
Definitions:
Absolute Truths
Facts or principles that are universally valid, unchanging, and not dependent on individual beliefs.
College Education
An advanced level of education beyond high school, usually provided by colleges or universities, that typically results in a degree or certification.
Cognitive Flexibility
The cognitive skill to toggle between considering two distinct ideas or to contemplate several ideas at the same time.
Childhood Assumptions
Beliefs or ideas developed during childhood that individuals often accept as true without questioning them as they grow older.
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