A Random Sample of 10 University Students Was Surveyed to Help

question 148

Essay

A random sample of 10 university students was surveyed to help estimate the average amount of time students spent per week on their computers.The student hours spent using a personal computer over a randomly selected week were 13,14,5,6,8,10,7,12,15,3.
a.Find an unbiased estimator of the average time per week for all university students.
b.Find an unbiased estimator of the variance.
c.Find a consistent estimator of the average time per week for all university students.

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Definitions:

Dollar Diplomacy

A United States foreign policy to further its aims in Latin America and East Asia through the use of its economic power by guaranteeing loans made to foreign countries.

Military Intervention

refers to the involvement of military forces in a foreign country to achieve specific objectives, often controversial and involving conflict.

Foreign Policy

A government's strategy in dealing with other nations, involving diplomacy, trade agreements, military actions, and other international relations.

Leading Industrial Power

A nation or state that dominates the global industry sector, characterized by its advanced manufacturing capabilities and technological innovations.