Solution-Find the centerline and find the control limits

Find the centerline and find the control limits

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Reference no: EM13537596

Question 1: A manufacturer of wood screws periodically examines screws heads for the presence or absence of burrs. Subgroups of 300 screws are selected and examined using a carefully designed procedure. The collected data is as follows:

Observation	Number of Screws with Burrs
1	19
2	16
3	11
4	6
5	22
6	2
7	4
8	7
9	5
10	27
11	7
12	13
13	17
14	29
15	1
16	2
17	19
18	28
19	24
20	23

a- Find the centerline (show your calculations)

b- Find the control limits (show your calculations)

c- Use MINITAB to develop the appropriate control chart

d- Are there any special causes of variation? Which observations?

e- What to do next?

Reference no: EM13537596

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Find the centerline and find the control limits

Reference no: EM13537596

Reference no: EM13537596

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