LATEST UPDATE WITH COMPLETE SOLUTION
Assignable cause variation is synonymous with __________. Answer - special
cause variation
This type of variation is inherent to the process and is an expected type of
variation. Answer - common cause variation
Equipment, materials, environment, and operator account for special cause
variation and common cause variation. Answer - True
Because variation occurs in raw material, it must also occur in the finished
product. Answer - True
An out-of-control condition could be due to a chance cause, and this fact can
occur 27 times out of 10,000. What is the average run length before a chance
cause occurs? Answer - NOT 27 or 270!!
_____Is a category of variation in piece part production. Answer - all of the
above
-Within peace variation
-piece to piece variation
-time to time variation
, When driving to school you and counter a wreck which stops the traffic. This
stoppage delays your arrival to school by 20 minutes. This is an example of
what type of variation. Answer - special cause variation
Variable control charts provide information for______. (Choose all that apply)
Answer - -Quality improvement
-determination of the process capability
-decisions in regard to product specifications
-current decisions in regard to the production process
-current decisions in regard to recently produced items
This type of variation is illustrated by the surface of roughness of a piece,
wherein one portion of the surface is rougher than another portion, or the
printing on one end of the page is better than on the other end. Answer -
Within peace variation
This type of variation occurs among pieces produced at the same time. Thus,
the light intensity of four consecutive light bulbs produced from the same
machine will be different. Answer - piece to piece variation
This type of variation is illustrated by the difference in a product or service
produced at different times of the day the us, a service given early in the
morning will be different from one given later in the day or as a cutting tool
wears, the cutting characteristics will change. Answer - time to time variation
A natural variation is the result of assignable causes. It usually, but not always,
requires corrective action by people close to the process, such as operators,
technicians, clerks, maintenance workers and first-line supervisors. Answer -
False