Outline How Observational Data Is Obtained

question 11

Essay

Outline how observational data is obtained.Provide an example of research that has used this method.

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Definitions:

Frequency Polygon

A frequency polygon is a graphical representation of the distribution of a dataset. It uses a series of connected dots or lines at the midpoints of each interval to show frequencies.

Histogram

A histogram is a graphical representation of the distribution of numerical data, where the data is divided into intervals (bins), and the frequency of data within each bin is depicted by the height of the bar.

Frequency Distribution

An organized tally of the frequency at which certain values appear in a set of data.

Histogram

A graphical representation of the distribution of numerical data, where the data is divided into bins or intervals, and the frequency of the data within each bin is depicted.