Question: QUESTION 9 The performance of the first shift is reflected in the inspection results of electric carving knives. Table Q9 shows the inspection results. Table

QUESTION 9 The performance of the first shift is

QUESTION 9 The performance of the first shift is reflected in the inspection results of electric carving knives. Table Q9 shows the inspection results. Table 29 : The inspection results Date Date 10 Nov. 15 16 17 18 19 Number Number inspected nonconforming 500 5 550 10 700 8 600 9 625 5 475 4 450 1 550 12 525 5 650 8 500 2 555 18 Number Number inspected nonconforming 550 600 9 650 6 700 6 550 5 500 7 425 10 400 11 450 1 500 3 600 5 Dec. 1 2 3 6 7 8 9 10 13 14 15 22 23 24 25 26 29 30 (a) Determine the central line and control limits. [7 marks] (b) Construct the control chart [9 marks] (c) Conclude the result in (b). (4 marks]

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