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Author Question: Whenever the mean of the distribution of differences equals zero, then one can be fairly safe in ... (Read 6 times)

nenivikky

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  • Posts: 516
on: Jun 20, 2018
Whenever the mean of the distribution of differences equals zero, then one
   can be fairly safe in concluding that
 
  a. the samples probably represent a single population
  b. the samples probably represent different populations
  c. there was absolutely no sampling error
  d. none of these, since the mean can never equal zero

Question 2

If the mean of the distribution of differences were to equal -6.00, this
   would indicate that
 
  a. the standard deviation of the distribution is a function of the range
  b. the samples probably represent different populations
  c. the samples were probably selected from a single population
  d. none of these, since the mean can never be negative


miss_1456@hotmail.com

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

a

Answer to Question 2

b


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