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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 115 times)

littleanan

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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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Answer to Question 1

D

Answer to Question 2

A





 

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