Question

Which quality control tool is sometimes referred to as a "fishbone diagram" because it places a problem statement at the head of the fishbone and uses each "big bone" in the fish's skeleton as a category of probable cause, in order to determine the root cause of the problem?

a. Cause-and-effect diagram
b. Pareto diagram
c. Control chart
d. Force field analysis

Answer 1

Answer:

The correct answer is letter "A": Cause-and-effect diagram.

Explanation:

The Fishbone Diagram or Cause-and-effect diagram is usually called the Ishikawa Diagram because it was created by Japanese manager Kaoru Ishikawa (1915-1989) who was interested in improving quality control within organizations. The diagram is composed of a square that represents the fish head, a central line that represents its spine and four (4) arrows pointing the central line that represents the fishbones.  

This tool is useful for the analysis of problems that represent the relationship between an effect -the problem- and all the possible causes that generate it.