Infrared Can Be Broadcast in a Single Direction or in All

question 39

Multiple Choice

Infrared can be broadcast in a single direction or in all directions,using a(n) ____ to transmit and a photodiode to receive.

• A)antenna
• B)LED
• C)laser
• D)satellite dish

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Definitions:

Variances Assumed

A condition in statistical analysis where it is presumed that the variances of two or more populations are equal, important in certain tests like ANOVA.

Independent Random Samples

Samples selected from a population in such a way that each individual has the same chance of being selected, and the selection of one individual does not affect the selection of another.

Population Means

The average of a set of characteristics (such as age, weight, etc.) of every member of a population.

Tunica Interna

The innermost layer of a blood vessel, consisting of endothelial cells that line the lumen of vessels.