Answer the following statements true (T) or false (F)
1) Variation that centers on a mean and occurs with a somewhat consistent amount of dispersion is known as random variation.
2) The width of a distribution is called the mean.
3) Samples gathered in such a way that every piece of product has an equal chance of being selected for inspection are called systematic samples.
4) Samples which are ordered by time or sequence are called systematic samples.
5) For process control charts, using control limits corresponding to z = 3 standard deviations from the mean will capture exactly 95% of random variation.
1) TRUE
2) FALSE
3) FALSE
4) TRUE
5) FALSE
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