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the process of obtaining information by using the senses
data that is measurable; obervations based on numbers
type of data that is categorized by entries such as the labels (color, names, etc.)
information that is obtained by using one's senses (seeing, hearing, smelling, tasting, touching)
information that's obtained by observations of others -- such as reports
a possible theory or conclusion that explains something or guesses about something
something that proves or disproves something