Question

Section Two (True/False) Regarding SPC and control charts: 3. Control limits and specification limits are both provided by the customer. cause variation SPC uses graphed statics to determine if a process has special Control limits for most control charts are set at 2 standard deviations. If a control chart signals special cause variation, the cause will also be known. One should work on reducing common cause variation while eliminating special cause variation. Critical process outputs that are measured on a continuous scale are can be monitored with a p, np, c or u control charts sample of 1 There is no such thing as a control chart that uses It would be okay to measure and state process capability while determining process stability. Besides data type, sample size is a factor in determining the type of control chart to be used. The minimum number of samples needed to calculate control limits is 20 for variables control charts and 50 for attribute charts A visual workplace is a self-ordering, self-explaining, self-regulating, and self-improving work environment. Standard work docs include production capacity sheet, standardized combination table, standard control chart

Answer 1

ANSWER:

3.Regarding SPC and control charts:

a) Control limits and specification limits are both provided by the customer .

We have to obtained the given statement us true or false ,

Here ,

this statement is true , because control limits and specification limits are both provided by the customer.

Therefore,

TRUE.

b) SPC uses graphed statistics to determine if a process has special cause version .

We have to obtained the given statement us true or false ,

Here,

This statement is false, because SPC do not used in the graphing process.

Therefore,

FALSE.

c) Control limits for most control charts are set at 2 standard deviations :

We have to obtained the given statement us true or false ,

Here,

This statement is false,because in control limits only one standard deviation is used .

Therefore,

FALSE.

d) If a control chart signals special cause variation ,the cause will also known :

We have to obtained the given statement us true or false ,

Here,

This statement is false because special-cause variation looks like on a control chart. A process is stable if it does not contain any special-cause variation; only common-cause variation is present.

Therefore,

FALSE.

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