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Author Question: Which of the following statements defines an unbiased statistic? a.An unbiased statistic always ... (Read 146 times)

Mr.Thesaxman

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on: Jul 24, 2018

  Which of the following statements defines an unbiased statistic?
 

  a.An unbiased statistic always equals the population parameter being estimated.
  b.An unbiased statistic is a sample statistic whose sampling distribution has a mean value equal to the value of the population parameter being estimated.
  c.An unbiased statistic is a sample statistic whose standard error is maximized.
 

d.An unbiased statistic is a sample mean that equals the value of the population parameter being estimated.
 
 



Question 2


  Which of the following is an unbiased estimator for the corresponding parameter?
 

  a.The population standard deviation is an unbiased estimator for the sample standard deviation s.
  b.The sample mean is an unbiased estimator for the population mean .
  c.The population variance is an unbiased estimator for the sample variance s2.
 

d.The population proportion is an unbiased estimator for the sample proportion.
 
 



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1_Step_At_ATime

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Reply #1 on: Jul 24, 2018
Answer to Question 1

correct: b

Answer to Question 2

correct: b


Mr.Thesaxman

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Reply 2 on: Jul 24, 2018
Gracias!

scottmt

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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