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:
Transgender Group
A community or collective of individuals whose gender identity differs from the sex they were assigned at birth.
Gender Identity
An individual's personal sense of their own gender, which may or may not correspond to their sex assigned at birth.
Sexual Double Standard
The societal norm that encourages or permits sexual behaviors in one gender but discourages or forbids them in another.
Dating
The social activity involving two or more people generally assessing each other's suitability as a partner in an intimate relationship or as a spouse.
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