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Lean Six Sigma White Belt Questions 46–50 (page: 11)

Updated On: 9-Feb-2026

What is the Pareto principle?

  1. It is the 80/20 rules in six sigma belt, in most of the cases, 20% of the effect comes from the 80% of the causes.
  2. It is the 90/10 rules in Sigma Belt.
  3. It is used with continuous measuring in Sigma Belt.
  4. It is one of a different kinds of variation use in six Sigma.

Answer(s): A

Explanation:

The pareto principle states that for most of the cases 80% of any effect is caused from 20% of the main reason. This principle is worldwide accepted at present.



What are the main variations of six sigma?

  1. mean, median, range and mode
  2. DPPM and COPQ
  3. Pareto principle and R charts
  4. Only mean and median

Answer(s): A



What is standard deviation?

  1. It is a measuring process to measuring the average spread of data.
  2. This is the process of deviation.
  3. It is a process capability index.
  4. It is the process of calculating the difference between customer requirement and production.

Answer(s): A

Explanation:

It is the process of calculating the difference between customer requirement and production.



What does Cpk means in six sigma belt?

  1. The process Capability index.
  2. The process of calculating data of a process.
  3. It is a diagram, which shows the production capability of any process.
  4. None of the above.

Answer(s): A



What is Ppk in six sigma belt?

  1. It is a measuring process to measuring the average speed of production.
  2. It is a diagram displaying the sequential steps of an production.
  3. It's term is used for measuring the data of employee performances of a company during a year.
  4. This is the index of the performance of a process.

Answer(s): D

Explanation:

Ppk is the index, which dictates the performance of a process, whether it has came over the customer's need or not.



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