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:

Trained Professional

An individual who has obtained specialized education and skills in a particular field through formal training.

Coach

A person who trains and directs athletes or teams, or provides guidance and support in other areas like personal development.

Good Friend

A person who provides support, companionship, and trustworthiness, making a positive impact on one's life.

Adjudication

A formal judgment or decision made by an official authority, especially in a legal context.