Analysing Failure (SPC) - Unit 11: Maintenance

What does the term 'SPC' stand for?

• Statistical Process Control

• Standard Process Control

• Systematic Process Control

• Scientific Process Control

SPC is an acronym for Statistical Process Control. True or False?

• True

• False

What is an abbreviation?

• A type of abbreviation where a new word is formed from the first letters of a series of words

• A shortened or contracted form of a word or phrase

• A long form of a word

• A type of sentence.

What is the purpose of measuring data over a period of time in Statistical Process Control?

• To find out how the data varies over-time

• To ignore data variations

• To increase data complexity

• To reduce data size

In Statistical Process Control, measuring data over time is basically _________.

• condition-based monitoring

• random sampling

• data ignoring

• data simplification

What is the mean in a data set?

• The highest value

• The lowest value

• An average value of the data set which accounts for all values

• A random value

Variance is a statistical measurement of the ______ between numbers in a data set.

• average

• spread

• sum

• difference

Standard deviation is a quantity expressing how much members of a group differ from the ______ value.

• median

• mode

• mean

• range

What does 'n' represent in statistical terms?

• Number of data points

• Population standard deviation

• Mean of the data

• Upper control limit.

Fill in the blank: The symbol 'μ' represents the ______ of the data.

• Upper control limit

• Mean

• Population standard deviation

• Lower control limit