D469 Quality, Continuous Improvement, and Lean Six Sigma - Set 2 - Part 1

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 1: In a control process, which type of chart is dependent on both the type of data (continuous or discrete) and sample size?

Fishbone Diagram

X-bar Chart

P-Chart

Histogram

Question 2: What type of data is required for an R-chart to monitor process variation when sample sizes are smaller than 12?

Continuous

Discrete

Attribute

Categorical

Question 3: The average of several sample means used to establish the centerline of a control chart is called the ____________.

Grand Mean

Range

Standard Deviation

Median

Question 4: In a Lean Six Sigma project, a company's production process produces significant delays due to excessive motion and inventory buildup. This can be categorized as ____________.

Over-processing waste

Motion waste

Waiting waste

Inventory waste

Question 5: In a P-Chart, the standard deviation (error) for a proportion is calculated using which of the following equations?

sqrt[Pbar (1 - Pbar)]

Pbar x sigma

Mean - 3 sigma

Pbar x 3

Question 6: The Lean Six Sigma philosophy focuses on ____________.

Speed and efficiency in production

Reducing customer feedback

Eliminating defects without addressing waste

Increasing defects to meet customer demand

Question 7: What is the purpose of the 5S methodology in Lean Six Sigma?

Reduce customer complaints

Improve workplace organization and efficiency

Increase production speed

Analyze customer satisfaction

Question 8: In an X-bar chart, the UCL and LCL are calculated using the ____________.

Mean and Median

Mean and Range

Mean and Standard Deviation

Range and Standard Deviation

Question 9: The Voice of the Process (VOP) represents ____________.

Customer expectations

Internal process capabilities

Employee feedback

Supplier requirements

Question 10: In a Six Sigma project, which tool would be most useful for identifying the root cause of a process issue?

Control Chart

Fishbone Diagram

X-bar Chart

Histogram

Question 11: Which Six Sigma tool is designed to visually represent the high-level steps of a process?

SIPOC Diagram

Pareto Chart

X-bar Chart

Gantt Chart

Question 12: In Lean Six Sigma, what does the "S" in SIPOC stand for?

Sample

Suppliers

Standardization

Specification

Question 13: When analyzing two independent samples to determine whether their means differ significantly, which statistical test should be used?

One-sample t-test

Two-sample t-test

ANOVA

Chi-Square Test

Question 14: The Kaizen approach emphasizes ____________.

Continuous small improvements

Large, one-time changes

Reducing customer satisfaction

Outsourcing to reduce costs

Question 15: A sample mean outside the UCL or LCL, while the process mean has not shifted, represents a ____________.

Beta error

Alpha error

Sigma error

Process shift

Question 16: The term "Critical to Quality" (CTQ) refers to ____________.

The characteristics of a product that are necessary to meet customer expectations

The internal performance measures of a process

The amount of variation in the process

The control limits for a production process

Question 17: A Lean Six Sigma team uses a Pareto Chart to ____________.

Identify the process steps involved in production

Set control limits for a process

Identify the most frequent causes of defects

Measure process variability

Question 18: What is the purpose of Failure Mode and Effects Analysis (FMEA)?

Predict and prevent potential failures

Measure process performance

Set control limits

Increase production speed

Question 19: Which of the following Lean Six Sigma concepts focuses on producing only what is needed when it is needed?

Push System

Kanban

Heijunka

Poka-Yoke

Question 20: In Six Sigma, "Z-value" is used to ____________.

Measure the number of standard deviations a data point is from the mean

Measure process yield

Set control limits

Define process capability

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