AP Statistics : How to estimate population parameters

Study concepts, example questions & explanations for AP Statistics

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Example Questions

Example Question #1 : Estimation

What is \displaystyle E(X), or the expected value of \displaystyle X for any distribution?

Possible Answers:

\displaystyle \bar{X}

\displaystyle X^2

\displaystyle \bar{x}

\displaystyle \mu

Correct answer:

\displaystyle \mu

Explanation:

\displaystyle E(X) is \displaystyle \mu, or the mean, of the population. This makes sense since \displaystyle E(X) literally means the expected value of \displaystyle X. The mean is the expected value of \displaystyle X

Example Question #1 : How To Estimate Population Parameters

      

      

Possible Answers:

      

      

      

Correct answer:

      

Explanation:

     

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