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Author Question: In the randomized block design for ANOVA, where k is the number of treatments and b is the number of ... (Read 54 times)

vinney12

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on: Jun 24, 2018
In the randomized block design for ANOVA, where k is the number of treatments and b is the number of blocks, the number of degrees of freedom for error is:
 a. k - b
  b. kb - 1
  c. n - k - b + 1
  d. None of these choices.

Question 2

What is the average run length (ARL) until an x control chart signals a false alarm if the control limits are set at 2.5 standard errors from the centerline?


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mmj22343

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

C

Answer to Question 2

The probability of a Type I error for each sample is .0124 namely, P( z  > 2.5, hence the ARL = 1/.0124 = 80.6  81 samples should be taken.


vinney12

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Reply #2 on: Jun 24, 2018
Thank you :)


mmj22343

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Reply #3 on: Jun 24, 2018
Happy to help you


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