Examlex
Instruction 2-4
A survey was conducted to determine how people rated the quality of programming available on television.Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality) .The stem-and-leaf display of the data is shown below.
-Referring to Instruction 2-4,what percentage of the respondents rated overall television quality with a rating of 80 or above?
Negative Feedback System
A regulatory system in which a change in some steady state triggers a response that counteracts, or reverses, the change, restoring homeostasis (e.g., how mammals maintain body temperature). Compare with positive feedback system.
Integrator
In homeostasis, a control center.
Effector
(1) A muscle or gland that contracts or secretes in direct response to nerve impulses. (2) In homeostasis, an organ or process that helps restore a steady state.
Set Point
A normal condition maintained by homeostatic mechanisms.
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