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Lean Six Sigma White Belt Questions 36–40 (page: 9)

Updated On: 9-Feb-2026

What is an OC Curve in sampling process?

  1. A diagram representing the probability of acceptance for a lot.
  2. A curve which indicates the percentage of bad quality products in a lot.
  3. A diagram which indicates the rate of production per day.
  4. None of these.

Answer(s): A

Explanation:

An OC Curve is a diagram which shows the probability of acceptance of a lot in sampling process.



Which of the following statement is true about LTPD (Lot Tolerance Percent Defective)?

  1. LTPD is the collected data which shows the defective products in a lot.
  2. LTPD represents the company's loss for producing defective products.
  3. This is the method of calculating the percentage of accepted and rejected products.
  4. LTPD is the lowest quality of any product that can be accepted.

Answer(s): D

Explanation:

Lot Tolerance Percent Defective is the lowest quality of any product that can be accepted while sampling. It has a 10% chance of being accepted.



Which of the following is used to select the process of sampling plan?

  1. DODGE ROMIG Table.
  2. AOQL ANSI Table.
  3. ATI & LTPD Measures.
  4. None of the above.

Answer(s): A

Explanation:

DODGE-ROMIG table is used for the purpose of selecting plans for sampling process. The table uses AOQL & LTPD measures for selecting plans.



The data that can be counted only in whole numbers is called what?

  1. Decreased Data.
  2. Attribute Data.
  3. Variable Data.
  4. Continuous Data.

Answer(s): B

Explanation:

Attribute Data is the data, which can be counted only in whole numbers, as half of a customer cannot be counted.



Why Pareto chart is important in six sigma?

  1. It gives the appropriate figures of employee's performances.
  2. It suggests a company of its variances in focus.
  3. It provides the company production rate variations.
  4. None of the above.

Answer(s): B

Explanation:

Pareto chart is famous for its 80/20 theory. In six sigma it is also important, as it represent a company which subject is extra focused and which subject need to be focused more.



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