Heart rate (in counts/minute) is measured every 30 minutes. The results of 20 consecutive measurements are as

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Heart rate (in counts/minute) is measured every 30 minutes. The results of 20 consecutive measurements are as follows:

Heart Rate Sample Sample Heart Rate 1 68 11 79 71 12 79 3 67 13 78 4. 69 14 78 71 15 78 70 16 79 69 17 79 8. 67 18 82 70

Suppose that the standard deviation of the heart rate is Ïƒ = 3 and the target value is 70.

(a) Design a CUSUM scheme for the heart rate process. Does the process appear to be in control at the target?

(b) How many samples on average would be required to detect a shift of the mean heart rate to 80?

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Jul 07, 2018 01:48 PM

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Heart rate (in counts/minute) is measured every 30 minutes. The results of 20 consecutive measurements are as

Question:

Heart Rate Sample Sample Heart Rate 1 68 11 79 71 12 79 3 67 13 78 4. 69 14 78 71 15 78 70 16 79 69 17 79 8. 67 18 82 70 19 82 81 10 70 20

Step by Step Answer:

a The process is not in control The control chart follows with h 4 and k 05 b The shift from 7...View the full answer

Applied Statistics And Probability For Engineers

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