If the Upper and Lower Control Limits Are Set At \pm

question 88

Multiple Choice

If the upper and lower control limits are set at $\pm$ 3 standard deviations from the mean, we would expect that

• A) 99.7% of the sample means are within the control limits
• B) 95% of the sample means are within the control limits
• C) about 68% of the sample means are within the control limits
• D) about 5% of the sample means are outside the control limits

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Definitions:

Intercellular Signals

Chemical or physical signals exchanged between cells, allowing them to communicate and coordinate activities.

Proto-Neurons

Hypothetical precursors to neurons, proposed to be the initial steps in the evolution of the nervous system in early animals.

True Nervous System

A complex network of nerve cells and structures responsible for coordinating and processing sensory and motor information in an organism.