contestada

The normal application of a p-chart is in______________.
a. acceptance sampling by attributes.
b. process sampling by attributes.
c. process capability ratio computations.
d. process sampling by variables.
e. acceptance sampling by variables.

Respuesta :

letmeanswer

The normal application of a p-chart is in process sampling by attributes.

Option b

Explanation:

p-chart can be defined as a form of control chart that is used to observe the proportion of nonconforming units (that is the ratio of number of nonconforming units to n, the sample size).

The p-chart depicts the changes or alterations in the process over the specific time. The control limits for this chart type are as follows,

Binomial distribution is the base for p-chart and it requires the assumptions given below:

  • The possibility of nonconformity is the same for each unit;
  • Each unit is independent of its own predecessors or successors;
  • The procedure for inspection is same for each and every sample.

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