In order to estimate the difference between the average Miles per Gallon of two different models of automobiles, samples are taken and the following information is collected. 
a.At 95% confidence develop an interval estimate for the difference between the average Miles per Gallon for the two models.
b.Is there conclusive evidence to indicate that one model gets a higher MPG than the other? Why or why not? Explain.
Definitions:
Dependent Personality Disorder
A mental health condition characterized by pervasive psychological dependence on other people.
Initiating Relationships
The process of making the first steps in starting interpersonal connections or friendships with others.
Ending Relationships
The process of cutting ties or ceasing involvement with another person, often involves emotional distress and a period of adjustment.
Avoidant Personality Disorder
A mental health disorder characterized by a persistent pattern of extreme shyness, feelings of inadequacy, and sensitivity to rejection.
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