Two Major Automobile Manufacturers Have Produced Compact Cars with Engines

question 51

Multiple Choice

Two major automobile manufacturers have produced compact cars with engines of the same size.We are interested in determining whether or not there is a significant difference in the mean MPG (miles per gallon) when testing for the fuel efficiency of these two brands of automobiles.A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance.The following data (in miles per gallon) show the results of the test.Assume the population of differences is normally distributed. ​ The mean of the differences is

• A) .5.
• B) 1.5.
• C) 2.0.
• D) 2.5.

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Definitions:

Marginal Utility

The additional satisfaction or utility received by a consumer from consuming one more unit of a good or service.

Consumer Surplus

The divergence between the sum consumers are prepared and financially capable to pay for a good or service and the sum they actually disburse.

Marginal Utility

The extra pleasure or benefit received from using an additional unit of a product or service.

Consumer Surplus

The financial gap between the potential spending by consumers on a product or service versus their actual spending.