Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart...

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General Management

Ten samples of 15 parts each were taken from an ongoing processto establish a p-chart for control. The samples and thenumber of defectives in each are shown in the followingtable:

SAMPLEnNUMBER OF DEFECTIVE ITEMS IN THE SAMPLE
1150
2152
3150
4153
5151
6153
7151
8150
9150
10150

Determine the p?p? , Sp, UCL and LCL for ap-chart of 95 percent confidence (1.96 standarddeviations). (Leave no cells blank - be certain to enter"0" wherever required. Round your answers to 3 decimalplaces.)

p bar
Sp
UCL
LCL

Also what comments can you make about the process?

a.Process is in statistical control.

b.Process is out of statistical control.

Answer & Explanation Solved by verified expert
3.9 Ratings (665 Votes)
Sample nnumber of defectives fraction defectives1 15 002 15 201333 15 004 15 302005 15 100676 15 302007 15 100678 15 009 15 0010 15 00Note    See Answer
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