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:
Integrative Approach
A strategy that combines elements from various sources or disciplines to solve problems or create new ideas.
Leadership Construct
An abstract idea or theory formulated to understand the elements, qualities, and dynamics of leadership.
Behavior Approach
A method in psychology and management focusing on observable behaviors and the external stimuli that influence them, as opposed to internal thought processes.
Managers
Individuals responsible for planning, directing, and overseeing the operations and employees within an organization.
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