Question 1

Six sigma is defined as a defect rate of 3.4 parts per thousand.

Accepted Answer

Six Sigma is defined as a defect rate of 3.4 parts per million, not per thousand.

Question 2

An attribute refers to quality characters that either conform to specifications or do not.

Accepted Answer

An attribute is a characteristic or feature that can be measured as either conforming or not conforming to specified criteria, often used in quality control contexts.

Question 3

The producer's risk is the probability of accepting a bad lot.

Accepted Answer

The producer's risk is the probability of rejecting a good lot, not accepting a bad one.

Question 4

The process capability index combines the process spread the the tolerance into two indices.

Accepted Answer

The process capability index (Cpk) combines the process spread and the tolerance into a single index, not two.

Question 5

Process control attempts to increase the production of excessive defects by showing that when the probability is higher, there is an assignable cause for variation.

Accepted Answer

Process control aims to reduce defects by identifying and eliminating assignable causes of variation, not increasing them.

Question 6

Control limits are set so that there is a 99.7% probability that if the process is in control, the sample value will fall within the control limits.

Accepted Answer

Control limits are typically set at ±3 standard deviations from the process mean, which corresponds to a 99.7% probability according to the empirical rule (68-95-99.7 rule) for a normal distribution.

Question 7

Cause- and- effect diagrams are used to plot out all the potential causes for an identified problem or effect.

Accepted Answer

Cause-and-effect diagrams, also known as fishbone diagrams or Ishikawa diagrams, are tools used to systematically identify and organize potential causes of a problem to understand its root causes.

Question 8

QFD is a decision- making technique used in the development of new products or the improvement of existing products which helps ensure that the wants, needs, and expectations of the consumer are reflected in a company's designs.

Accepted Answer

Quality Function Deployment (QFD) is a structured approach used to ensure that customer requirements are integrated into the product design and development process.

Question 9

The International Organization for Standardization was established in 2000.

Accepted Answer

The International Organization for Standardization (ISO) was established in 1947.

Question 10

Human error is estimated to be as high at 50% when performing long- term repetitive testing.

Accepted Answer

The answer of Human error is estimated to be as...

Quiz 16: Total Quality Management