15 tape-recorders were examined for quality control test. The number of defects in each tape-recorder is recorded below. Draw the appropriate control chart and comment on the state of control. Unit no. (i): 1 2 3 4 8 9 10 11 12 13 14 15 No. of defects (c): 2 4 3 1 1 2 3 1 4 2 1 7 3

15 tape-recorders were examined for quality control test. The number of defects in each tape-recorder is recorded below. Draw the appropriate control chart and comment on the state of control. Unit no. (i): 1 2 3 4 8 9 10 11 12 13 14 15 No. of defects (c): 2 4 3 1 1 2 3 1 4 2 1 7 3

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter29: Tolerance, Clearance, And Interference

Section: Chapter Questions

Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...

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Question

15 tape-recorders were examined for quality control test. The number of defects
in each tape-recorder is recorded below. Draw the appropriate control chart and
comment on the state of control.
Unit no. (i):
1 2
3
4
7
8.
10 11 12 13 14 15
No. of defects (c): 2
4 3
1 1 2
7 3 1 4 2 1

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