Problematic Data Include So-Called Dirty Data

question 21

True/False

Problematic data include so-called dirty data.

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Definitions:

Sample

A portion of the overall population picked for conducting studies or inquiries in order to collect demographic data.

Frequency Polygon

A graphical representation of the distribution of a dataset that shows how often each value occurs, connecting each data point by straight lines.

Frequency Distribution

A summarization of data by reporting the number of observations that fall within each range or bin of values for a specific variable.

Pie Graph

A circular chart divided into sectors, each sector shows the relative size of each value to the total.