A Major US

question 35

Essay

A major U.S.oil company has developed two blends of gasoline.Managers are interested in determining whether a difference in mean gasoline mileage will be obtained from using the two blends.As part of their study,they have decided to run a test using the Chevrolet Impala automobile with automatic transmissions.They selected a random sample of 100 Impalas using Blend 1 and another 100 Impalas using Blend 2.Each car was first emptied of all the gasoline in its tank and then filled with the designated blend of the new gasoline.The car was then driven 200 miles on a specified route involving both city and highway roads.The cars were then filled and the actual miles per gallon were recorded.The following summary data were recorded: Based on the sample data,using a 0.05 level of significance,what conclusion should the company reach about whether the population mean mpg is the same or different for the two blends? Use the p-value approach to test the null hypothesis.

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Definitions:

Staff Personnel

Employees who provide support, advice, and expertise in their specialized fields, aiding in decision-making and strategy formation.

Empowerment

The process of granting individuals the power and resources to take initiative and make decisions, aiming to enhance their efficacy and involvement in organizational tasks.

Delegation

The transfer of authority and responsibility from one person to another for the completion of specific activities or tasks.

Authority and Decision

The power or right to make decisions, and the act of making choices or resolving issues, typically within an organizational context.