A Phototrophic Bacterium Swims Outside the Illuminated Field of View

question 50

Short Answer

A phototrophic bacterium swims outside the illuminated field of view of the microscope, reverses direction, and scurries back into the lighted area. This is an example of_______.

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Definitions:

Variance

A measure of dispersion indicating how far individual values in a dataset are from the mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values; a low standard deviation indicates that the values tend to be close to the mean.

Sampling Distribution

The probability distribution of a given statistic based on a random sample.

Chi-square Distribution

A probability distribution commonly used in statistical significance tests.