Physical Activity Decreases with Age

question 11

True/False

Physical activity decreases with age.

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Definitions:

Assignable Cause Variation

Variation in a process that is caused by specific, identifiable factors, as opposed to random variation.

Special Cause Variation

Variation in a process that is caused by specific circumstance, which is non-random and can usually be identified and eliminated.

Random Variation

The unpredictability in the outcome of a process, experiment, or measurement due to chance.

Lower Control Limit

The lower control limit is the lowest value on a control chart below which process variability is considered to be out of control.