The number of visits (in millions) on a Web site is recorded every day. The following table
Question:
(a) Estimate the process standard estimation.
(b) Set up a CUSUM control chart for this process, assuming the target is 10. Does the process appear to be in control?
Transcribed Image Text:
Sample Number of Visits Sample Number of Visits 1 10.12 16 9.66 9.92 17 10.42 9.76 3 18 11.30 9.35 4. 19 12.53 10.76 5 9.60 20 11.92 6. 8.60 21 10.46 22 13.24 8. 10.58 23 10.64 11.31 9.95 24 10 9.50 25 11.26 11.26 11 26 11.79 12 10.02 27 10.53 11.82 13 10.95 28 8.99 14 29 11.47 11.76 15 9.50 30
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a Process standard deviation is estimated using the average moving range ...View the full answer
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Social Psychology, Personality Psychology, Introduction to Applied Areas of Psychology,
Behavioral Neurosdence , Historical and Contemporary Issues in Psychology, Measurement in Psychology, experimental Psychology,
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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