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:
Learning Disabilities
Neurologically-based processing problems that can interfere with learning basic skills such as reading, writing, or math.
Processing Sensory Information
The method by which we perceive, analyze, and respond to stimuli from the environment through our senses.
Intellectual Disabilities
A term for a variety of conditions that are characterized by significant limitations in intellectual functioning and adaptive behavior, originating before the age of 18.
Gifted Student
A student demonstrating exceptional aptitude or competence in one or more areas beyond their peers.
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