Theory+ Problem on p chart, np chart, C chart, Control charts for attributes, Quality control

Описание к видео Theory+ Problem on p chart, np chart, C chart, Control charts for attributes, Quality control

Solve Problems on Control charts for attributes by using
1. Control chart for fraction defective
( p chart)
2. Control chart for number of detectives (np chart)
3. Control chart for number of defects
( C chart )


Each week a sample of 100 residents is questioned on their feelings towards the project. The results to date are shown in the table. Analyse this data using an appropriate control chart with 5% risk of type 1 error. Is the community sentiment stable?

[ Dayalbagh Edu. Institute Agra MBA May 2010 ]



Each week a sample of 100 residents is questioned on their feelings towards the project. The results to date are shown in the table. Analyse this data using an appropriate control chart with 5% risk of type 1 error. Is the community sentiment stable?

[ Dayalbagh Edu. Institute Agra MBA May 2010 ]


Twenty samples each of size 10 were inspected . The number of detectives detected in each of them is given in table.
Construct the number defective chart and establish a quality standard for the future.

[ Dayalbagh Edu. Institute Agra Dec. 2006 ]


The number of mistakes made by an account clerks is given in table.
Establish a suitable control chart.


The number of defects inspected in rational subgroup of size 5 and for a sample of size 10 are in table.
Set up appropriate control chart and give your comments.
[ Calicut M com 1983]

Please refer my following Playlists , Links are given:
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