CQE更新された試験問題集で[2025年最新] 練習有効な試験問題集
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質問 # 24
A process is in control with a defect rate of 0.2%. A sampling plans calls for 30 items to be selected at random, and for the process to be shut down and corrected if any defects are found. How often will the process be shut down without a change in the defect rate?
- A. 5.83% of the time
- B. None of the above
- C. 1.22% of the time
- D. 3.91% of the time
正解：A
質問 # 25
As the scatter of points about a regression line becomes less, r2 will
- A. Become larger.
- B. Be unaffected.
- C. Become smaller.
- D. Approach a value of 1.
正解：D
質問 # 26
When using a control chart, a point plotting within the limits on the chart is
- A. The equivalent of not rejecting the hypothesis that the process is in control.
- B. The equivalent of type I error.
- C. The equivalent of type II error.
- D. The equivalent of accepting the hypothesis that the process is in control.
正解：A
解説：
Explanation/Reference:
質問 # 27
Which of the following tools can be used to communicate performance data in time sequence?
- A. Scatter diagram
- B. Flowchan
- C. Control chart
- D. Pareto chart
正解：C
解説：
A control chart is used to communicate performance data in a time sequence. It displays data points over time, allowing for the analysis of trends, shifts, and variations in the process. This tool is effective for monitoring process stability and performance. Reference: "Statistical Quality Control" by Eugene L. Grant and Richard S.
Leavenworth, which details the use of control charts in quality control processes.
質問 # 28
Which of the following equations is used to calculate the upper control limit for an average chart?
- A. X-D-R
- B. x-a2 r
- C. x-a2r
- D. X+ D4 R
正解：D
解説：
The equation to calculate the upper control limit (UCL) for an average chart (X-bar chart) is X + D4 R. Here, X is the process mean, D4 is a control chart constant that depends on the sample size, and R is the average range of the samples. This formula helps in determining the upper threshold beyond which a process is considered out of control. Reference: "Introduction to Statistical Quality Control" by Douglas C. Montgomery, which provides detailed explanations on control charts and their calculations.
質問 # 29
An X-bar and R chart was prepared for an operation using twenty samples with five pieces in each
sample; X-bar was found to be 33.6 and R-bar was 6.20. During production, a sample of five was taken and the pieces measured 36, 43, 37, 25, and 38. At the time, this sample was taken:
- A. Only the range was outside control limits.
- B. Both the average and range were within control limits.
- C. Neither the average nor range were within control limits.
- D. Only the average was outside control limits.
正解：A
質問 # 30
The Malcolm Baldrige award is open for competition among which of the following?
. Large manufacturing businesses.
. Large and small manufacturing businesses.
. Service organizations.
. Large service companies.
- A. IIandIVonly
- B. IIandIIIonly
- C. I only
- D. I andIIIonly
正解：B
質問 # 31
Which of the following tools is effective for evaluating all possible causes of a problem and isolating the probable causes?
- A. Control chart
- B. Scatter diagram
- C. Pareto chart
- D. Fishbone diagram
正解：D
解説：
The fishbone diagram, also known as the Ishikawa or cause-and-effect diagram, is used to identify and evaluate all possible causes of a problem.
It visually organizes potential causes into categories, helping to isolate the most probable ones.
This tool is effective for brainstorming and systematically analyzing the root causes of a quality issue.
References: ASQ's "Quality Toolbox" and Ishikawa's original works on cause-and-effect diagrams.
質問 # 32
The term "quality audit" can refer to the appraisal of the quality system of
I. An entire plant or company.
II. One product.
III. One major quality activity.
- A. I only
- B. II and III only
- C. I, II and III
- D. I and III only
正解：C
解説：
Explanation/Reference:
質問 # 33
The primary advantage of the Latin square design, compared to the factorial design, is that
- A. It does not require homogeneity of variance.
- B. It eliminates the need for interaction analysis.
- C. In most circumstances, it requires less data.
- D. It allows higher significance levels.
正解：C
質問 # 34
Temperature measured in degrees centigrade is an example of what type of measurement scale?
- A. Ordinal
- B. Ratio
- C. Nominal
- D. Interval
正解：D
解説：
Temperature measured in degrees centigrade is an example of an interval measurement scale. The interval scale is characterized by having equal intervals between measurements, but it does not have a true zero point.
This means that while the difference between temperatures can be measured, there is no absolute zero where the absence of temperature is defined.References:
* Fundamentals of Quality Control and Improvement by Amitava Mitra.
* Measurement and Data Analysis for Engineering and Science by Patrick F. Dunn.
質問 # 35
The pre-production or pre-service planning process should include which of the following activities?
- A. Development of cost of quality parameters
- B. Preparation of product and process control plans
- C. Certification of suppliers
- D. Implementation of process quality audits
正解：B
解説：
The pre-production or pre-service planning process should include the preparation of product and process control plans. These plans outline the necessary steps and controls to ensure that the product meets quality requirements and that the process is capable of producing consistent results.References:
* ASQ Quality Press: The Certified Quality Engineer Handbook.
* Quality Planning and Analysis by J.M. Juran and Frank M. Gryna.
質問 # 36
The "least squares method" is used in
- A. The central limit theorem
- B. Calculating2and s2
- C. Calculating a best fit regression line.
- D. Calculating 2
正解：C
質問 # 37
Which of the following statements BEST describes a bimodal distribution?
- A. This distribution shows stratified data and two distinct peaks.
- B. This distribution is truncated.
- C. This distribution shows a single mode and bell shaped distribution.
- D. This distribution has several distribution peaks.
正解：A
質問 # 38
What percentage of the area under the standard normal curve is included within (+/-) 1.5 standard deviations from 0?
- A. 0.9332
- B. 0.7500
- C. 0.8664
- D. 0.6680
正解：C
質問 # 39
A quality control program is considered to be
- A. A summary of company quality control policies.
- B. A system of activities to provide quality of products and service.
- C. A step by step listing of all quality control check points.
- D. A collection of quality control procedures and guidelines.
正解：B
質問 # 40
A company's quality policy should be developed by the
- A. most productive process improvement team
- B. quality engineering department
- C. executive level of management
- D. manager of quality
正解：C
解説：
The quality policy sets the overall intentions and direction of an organization regarding quality, as formally expressed by top management.
It should be developed by the executive level of management to ensure alignment with the company's strategic goals and to demonstrate commitment to quality.
Involvement of top management ensures that the policy is authoritative and can drive the entire organization towards quality objectives.
References: ISO 9001:2015 and the ASQ "Quality Management Systems Handbook" emphasize the role of top management in developing the quality policy.
質問 # 41
When planning quality control functions, which one of the following is MOST directly related to production of a quality product?
- A. Product audits.
- B. Suitable blueprints.
- C. Dimensional tolerancing.
- D. Process control and process capability.
正解：D
質問 # 42
The first and most important step, in establishing a good corporate quality plan is
- A. Determining customer requirements.
- B. Ensuring quality participation in design review.
- C. Evaluation vendor quality systems.
- D. Determining manufacturing process capabilities.
正解：A
質問 # 43
Which of the following is the BEST method to developing materials for a training program on the gaps in performance?
- A. Review a record of activities.
- B. Secure a workshop trainer.
- C. Allocate employees for training.
- D. Set up a one shot case study.
正解：A
質問 # 44
Which of the following statements is CORRECT?
- A. The lower the correlation, the greater the likelihood that homoscedasticity exists with respect to the predicted variable.
- B. The better the regression estimate, the greater the likelihood that homoscedasticity exists with the respect to the predicted variable.
- C. Regression estimates are better made with positive correlation than with negative correlation.
- D. The higher the correlation, the better the regression estimate.
正解：D
質問 # 45
Which of the following list of basic NDT techniques are X ray types?
- A. Electromagnetic / Thermal.
- B. Ultrasonic / Optical.
- C. Thermal / Radiation.
- D. Radiation / Image generation.
正解：D
質問 # 46
The effectiveness of corrective action can best be assessed by
- A. redefining the applicable inspection, test, or process control requirements
- B. changing the data collection system to capture the results of the corrective action
- C. assuring that the appropriate processing documentation is changed to reflect the action taken
- D. measuring the results of the corrective action
正解：D
解説：
The effectiveness of corrective action can best be assessed by measuring the results of the corrective action.
This involves evaluating whether the action taken has successfully addressed theroot cause of the problem and has led to a measurable improvement in the quality metrics or process performance.References:
* ASQ Quality Press: The Certified Quality Engineer Handbook.
* Total Quality Management by Dale H. Besterfield.
質問 # 47
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