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Quality control is an important issue at ACME Company which manufacturers light bulbs. In order to conduct testing of the life hours of their light bulbs, they randomly sampled nine light bulbs and measured how many hours they lasted (mean = 346.6) .
378, 361, 350, 375, 200, 391, 375, 368, 321
-What is the standard deviation?
Adaptation Threshold
The limit to which an organism or a system can adapt to changes in conditions or stimuli.
Difference Threshold
The smallest amount of change in a stimulus that can be detected as different from the original stimulus.
Subliminal Threshold
The level below which a stimulus is not consciously detected but can still influence thoughts, feelings, or actions.
Stimulation
The action of arousing interest, excitement, or activity in someone or something.
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