28) What chart helps to identify the relatively few factors that impact the performance of a manufacturing or service process? A) SPC B) Pareto analysis C) Fishbone chart analysis D) Diagnostic chart 29) What process investigates the potential causes of an outcome or effect such as poor quality? A) SPC B) Pareto analysis C) Fishbone chart analysis D) Diagnostic chart 30) A fishbone diagram classifies potential causes into categories. What are they? A) Chance and assignable variation B) Methods, materials, equipment, and personnel C) Percent defective and percent nondefective D) Causes and effects 31) What type of variation can be reduced, or even eliminated, and is usually nonrandom in nature? A) Chance B) External C) Assignable D) Covariation 32) Equipment failure would be an example of variation. A) chance B) external C) assignable D) standard 33) The technique that tallies types of defects and their frequency is called A) range charts B) Pareto analysis C) control charts D) fishbone diagram 34) A chart used to show the results of a Pareto analysis is a A) range chart B) bar chart C) control chart D) fishbone diagram