in order to estimate the process tolerance.

to compensate for the process variation

to take into account the accuracy of the process

None of the suggested

to account for the process distribution shift in respect of the target

U control chart

None of the suggested

PN control chart

P control chart

C control chart

A single specimen selected to study the quality of a product.

A single observation taken to judge the quality of the lot.

Usually the first or last 10 items produced by a manufacturing process.

None of the suggested.

Typically a few unbiased observations/items randomly taken from a batch and representing the majority.

Prevent acceptance of bad parts

Increase the range of measurement

Prevent rejection of good parts

Compensate for the instrument error

Reduce the wear

That is OK, no need to be worried.

Suspect a hidden improvement. Recalculate the control limits.

Check the process setting.

None of the suggested.

Check for other out of control conditions.

Degree to which a set of inherent characteristics of a good or service fulfills customer's stated or implied requirements.

Meeting customer requirements at a minimum cost.

None of the suggested

Fitness for use.

Customer satisfaction at any cost. 

The instrument is compared to a standard and adjustments made if necessary. 

None of the suggested

A calibration program includes inspection of the measuring instrument, maintaining a schedule and keeping records.

The calibration is a set of activities to ensure that measuring instruments maintain their metrological characteristics.

This is a procedure for identifying the measuring range of an instrument.

Test the data for normality.

Test the data for outliers.

Try to segregate (stratify) the data.

It is OK, carry on with calculation the statistics.

Take another sample.

50%

100%

over 30%

25%

0%