Sampling plans are hypothesis tests regarding product that has been submitted for an appraisal and subsequent acceptance or rejection. A control chart is used to track a process with time to determine if the problems are sporadic or chronic.
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Explain the difference between capability and control.
Random assignment: assigning participants to experimental and control conditions by chance Vs. Random sample: a sample that fairly represents a population because each member has an equal chance of being included You decide :-D
With probability sampling you have no control over the units that are sampled. So the only way to reduce the margin of error is to increase the size of the sample.
the control measure is the condition that controls a hazard. the monitoring procedure is the recording to make sure the safe levels are not exceeded
In a controlled experiment, the control variable remains constant while the experimental variable changes with each trial of the experiment.