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Author Question: What do we mean by an unbiased statistic? a. a statistic that equals the sample mean b. a ... (Read 120 times)

littleanan

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on: Jun 20, 2018
What do we mean by an unbiased statistic?
 
  a. a statistic that equals the sample mean
  b. a statistic whose average is very stable from sample to sample
  c. a statistic used to measure racial diversity
  d. a statistic whose long range average is equal to the parameter it estimates

Question 2

The variance can best be thought of as the
 
  a. average of the squared deviations from the mean.
  b. average of the absolute deviations from the mean.
  c. average of the deviations from the median.
  d. square of the mean.


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Chelseyj.hasty

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Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


littleanan

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Reply #2 on: Jun 20, 2018
Thank you


Chelseyj.hasty

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Reply #3 on: Jun 20, 2018
No problem :)


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