It is of interest to know if the average time it takes police to reach the scene of an accident differs from that of an ambulance to reach the same accident. Use the summary data listed below where time is in minutes. 
Estimate the difference in the times between the police and the ambulance using a 99% confidence interval.
______________
Does it appear that the times differ?
______________
Definitions:
Arousal Theory
A theory suggesting that people are motivated to maintain an optimal level of arousal, neither too high nor too low, which can affect performance and mood.
Leptin
A hormone predominantly made by adipose cells and enterocytes in the small intestine that helps to regulate energy balance by inhibiting hunger, which in turn diminishes fat storage in adipocytes.
Appetite
The natural desire to satisfy bodily needs, especially for food, influenced by physiological, psychological, and social factors.
High Sensation Seekers
Individuals characterized by the search for experiences and feelings that are varied, novel, complex, and intense, and by the readiness to take physical, social, legal, and financial risks for the sake of such experiences.
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