Certificación Six Sigma. fases definir y medir

The primary reason that most companies implement six sigma is to

• (A) reduce defects

• (B)reduce variation for optimal quality control

• (C) improve profit

• (D) increase customer satisfaction

Rank order, from first to last, the following steps in the continuous improvement process. 1. Reduce variation 2. Streamline the process 3. Understand the process 4. Error proof the process

• (A) 2, 1, 4, 3

• (B) 2, 3, 1, 4

• (C) 3, 2, 1, 4

• (D) 3, 4, 2, 1

Which of the following measures is used to show the ratio of defects to units? (D)

• (A) DPU

• (B) DPO

• (C)DPMO

• (D) PPM

Which of the following tools would be most appropriate for collecting data to study the symptoms of a problem?

• (A) Check sheet

• (B) Flow diagram

• (C) Force-field analysis

• (D) Activity network diagram

A six sigma team has been chartered to improve the way in which a company takes orders for its products. Which of the following tools should the team use to determine all of the potential pitfalls and the actual defects that occur?

• (A) Process failure mode and effects analysis

• (B) Process map

• (C) Design for six sigma

• (D) Supplier input process output control

Which of the following is the key objective of a six sigma project?

• (A) Developing detailed control charts for critical processes

• (B) Developing a matrix to understand the how’s and what’s of a problem process

• (C) Reducing variation in critical processes

• (D) Reducing investment costs while improving output quality

The primary factor in the successful implementation of six sigma is to have

• (A) the necessary resources

• (B) the support and leadership of top management

• (C) Explicit customer requirements

• (D) a comprehensive training program

The process of having a six sigma team develop a problem statement helps the team

• (A) agree on key dates associated with completing major project phases

• (B) achieve consensus and ownership of the process

• (C) determine solutions

• (D) determine how often it should meet

When the sampling method used creates a difference between the result obtained from the sample and the actual population value, the difference is known as

• (A) correlation

• (B) precision

• (C) accuracy

• (D) bias

An important aspect of data collection is that the data collector should

• (A) determine the dispersion of the data

• (B) know how the data are to be used

• (C) use a control chart to analyze the data

• (D) use a stratified sampling plan