Construct the Appropriate Two-Sigma Control Chart for the Sample Observations

question 134

Essay

Construct the appropriate two-sigma control chart for the sample observations listed below. $$\begin{array} { l l l l l l l l l l r r } \text { Observation } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 \\\hline \text { Num. defects per unit } & 9 & 4 & 3 & 5 & 6 & 3 & 4 & 2 & 3 & 2 & 3\end{array}$$

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Definitions:

EEG Activity

The recording of electrical activity along the scalp produced by the firing of neurons within the brain, typically used to diagnose sleep disorders, epilepsy, and brain diseases.

Light Sleep

A stage of sleep characterized by low amplitude, high frequency brain waves and easier arousal compared to deeper sleep stages.

Socio-historical Context

The mix of social and historical factors at a specific time that affect the environment surrounding an individual or community.

Psychoactive Drug

Any substance that affects the mind, altering mood, perception, or consciousness, including medications and recreational drugs.