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The number of complaints received by a large hotel are recorded. Data for the last twelve days are as follows: 2, 4, 15,5,9,4, 4, 11, 16, 4, 3, and 3. Use this data to construct a three-sigma C-chart and use that control chart to answer the questions below. Round all calculations to three decimal points.

Listen What is the upper control limit? Your Answer: 14.418
Listen What is the center line? Your Answer: 6.667 Answer
Listen What is the lower control limit? Your Answer: 0.000
Listen Sample 1 is out of control. True False
Listen ? Sample 2 is out of control. True Else Sample 3 is out of control. True False
Listen ? Sample 4 is out of control. True False
Listen Sample 5 is out of control. True False Sample 6 is out of control. True False
Listen Sample 7 is out of control. True False
Listen Sample 8 is out of control. True False
Sample 9 is out of control. True False
Listen Sample 10 is out of control. True False
Listen ? Sample 11 is out of control. True False
Listen Sample 12 is out of control.

 
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