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Author Question: The control limits for an np chart are how many standard deviations above and below the expected ... (Read 88 times)

Starlight

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The control limits for an np chart are how many standard deviations above and below the expected number of defectives?
 a. one
  b. two
  c. three
  d. four

Question 2

Forecast errors
 a. are the difference in successive values of a time series
  b. are the differences between actual and forecast values
  c. should all be nonnegative
  d. should be summed to judge the goodness of a forecasting model



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briezy

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Answer to Question 1

c

Answer to Question 2

B




Starlight

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


Perkypinki

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Reply 3 on: Yesterday
Gracias!

 

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