An $\bar { x }$ Control Chart Is Constructed Using 25 Samples of Size 3

question 9

Short Answer

An $\bar { x }$ control chart is constructed using 25 samples of size 3 each, when the process is in-control and the random variable of interest is normally distributed with a mean of 20 and standard deviation of 1.732. Then, the 3 standard deviation control limits are LCL = __________ and UCL =__________.

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Definitions:

Tidal Volume

Volume of air that is inspired or expired in a single breath during regular, quiet breathing.

Respiratory Rate

The number of breaths a person takes per minute, a vital sign used to assess overall health and detect possible medical conditions.

Anatomical Dead Space

The portion of the respiratory system where air does not participate in gas exchange, including the trachea and bronchi.

Partial Pressure

Pressure exerted by a single gas in a mixture of gases.