Figure 43-1 Refer to the Accompanying Figure with the Lateral

question 51

Multiple Choice

Figure 43-1 Refer to the accompanying figure with the lateral line organs of fishe s . The structures indicated by label 1 are:

• A) hair cells.
• B) cupula.
• C) stereocilia.
• D) sensory neurons.
• E) supporting cells.

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Definitions:

Observations

Data collected through measurement, surveys, or experimentation to represent instances of a variable.

Quartile

A statistical term describing each of four equal groups that a data set can be divided into based on distribution.

Median

The value separating the higher half from the lower half of a data sample or probability distribution.

Positively Skewed Distribution

A distribution where the tail is longer on the right side of the peak, indicating that most data points are on the left.