Please answer the following true/false questions: (1 pt each) The sample mean is the median of...

Please answer the following true/false questions: (1 pt each)

The sample mean is the median of the data set. (TRUE/FALSE)
The most important use of a control chart is to improve the process by detecting assignable causes. (TRUE/FALSE)
The eventual goal of statistical process control is the elimination of variability in the process. (TRUE/FALSE)
Cause-and-effect diagram is one of the seven major tools called as magnificent seven. (TRUE/FALSE)
The center line of a control chart represents the mean value of the quality characteristic corresponding to the in-control state. (TRUE/FALSE)
A point that plots outside of the control limits is not evidence that the process is out of control. (TRUE/FALSE)
If all the points plot in the control limits, and they appear in a systematic or nonrandom pattern of behavior, this could be an indication that the process is out of control. (TRUE/FALSE)

Expert Solution

(a): The sample mean is the median of the data set: False

Becuase mean and median both are different things. mean is used for find average, but median is used for find median value in data set.

(b): The most important use of a control chart is to improve the process by detecting assignable causes.TRUE

Because control chart use control product production and detect out of control or assignable causes problem.

(c): The eventual goal of statistical process control is the elimination of variability in the process.True

Becuase that is the basic principle of statistical process control.

(d): Cause-and-effect diagram is one of the seven major tools called as magnificent seven.True

Because The seven techniques are cause-and-effect diagram, defect concentration diagram, check sheet, Pareto chart, CUSUM control chart, scatter diagram and histogram,

(e): A point that plots outside of the control limits is not evidence that the process is out of control. FALSE

Because A point that plots outside of the control limits is a evidence that the process is out of control.

(f): All the points plot in the control limits, and they appear in a systematic or nonrandom pattern of behavior, this could be an indication that the process is out of control. True.

orchestra answered 1 year ago

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