ch 6 concept check

What are common causes of variation? A. Random causes that cannot be identified. B. Causes that can be identified and eliminated. C. Causes that are common to every production system. D. Causes that are common to both service and manufacturing operations.

A

What are the categories of causes of variation? A. Common causes and assignable causes. B. Manufacturing and service causes. C. Production, distribution and delivery causes. D. None of the choices is correct.

A

Which is TRUE about the range? A. It is the difference between the largest and smallest observations in a set of data. B. It is a statistic that measures the amount of data dispersion around the mean. C. It is a measure of central tendency of the data. D. None of the choices is correct.

A

What are Descriptive Statistics? A. The process of randomly inspecting a sample of goods and deciding whether to accept the entire lot based on the results. B. Statistics used to describe quality characteristics and relationships. C. A statistical tool that involves inspecting a random sample of the output from a process and deciding whether the process is producing products with characteristics that fall within a predetermined range. D. It is the general category of statistical tools used to evaluate organizational quality.

B

What are assignable causes of variation? A. Random causes that cannot be identified. B. Causes that can be identified and eliminated. C .Causes that are common to every production system. D. Causes that are common to both service and manufacturing operations.

B

What is the Statistical Quality Control (SQC)? A. A statistical tool that involves inspecting a random sample of the output from a process and deciding whether the process is producing products with characteristics that fall within a predetermined range. B. It is the general category of statistical tools used to evaluate organizational quality. C. Statistics used to describe quality characteristics and relationships. D. The process of randomly inspecting a sample of goods and deciding whether to accept the entire lot based on the results.

B

Which is TRUE about the standard deviation? A. It is the difference between the largest and smallest observations in a set of data B. It is a statistic that measures the amount of data dispersion around the mean. C. It is a measure of central tendency of the data. D. None of the choices is correct.

B

Which of the following are categories of statistical quality control (SQC)? A. Descriptive Statistics, Continuous Improvement, and the Seven Tools of Quality. B. Descriptive Statistics, Statistical Process Control (SPC) and Acceptance Sampling. C. Descriptive Statistics, Statistical Quality Control (SQC) and Continuous Improvement D. Statistical Quality Control (SQC) and Continuous Improvement

B

Which of the following are examples of descriptive statistics? A. Control charts, checklists, and scatter plots B. Mean, range, and standard deviation C. Control charts, fishbone diagram, and cause-and-effect diagram D. None of the choices is correct

B

The mean A. is the difference between the largest and smallest observations in a set of data. B. is a statistic that measures the amount of data dispersion around the mean. C. is a measure of central tendency of the data. D. None of the choices is correct.

C

What is the Statistical Process Control (SPC)? A. It is the general category of statistical tools used to evaluate organizational quality. B. Statistics used to describe quality characteristics and relationships. C. A statistical tool that involves inspecting a random sample of the output from a process and deciding whether the process is producing products with characteristics that fall within a predetermined range. D. The process of randomly inspecting a sample of goods and deciding whether to accept the entire lot based on the results.

C

What is Acceptance Sampling? A. It is the general category of statistical tools used to evaluate organizational quality. B. Statistics used to describe quality characteristics and relationships. C. A statistical tool that involves inspecting a random sample of the output from a process and deciding whether the process is producing products with characteristics that fall within a predetermined range. D. The process of randomly inspecting a sample of goods and deciding whether to accept the entire lot based on the results.

D