Data refers to raw, unorganized facts and figures that can be processed and analyzed to extract meaningful information. It encompasses various forms, including numbers, text, images, and sounds. Data can be broadly classified into two main types: qualitative and quantitative.
Qualitative data describes characteristics or qualities that cannot be measured numerically. It’s often expressed in categories or descriptions. Examples include:
Nominal data: Categories with no inherent order (e.g., colors, types of fruit).
Ordinal data: Categories with a meaningful order or ranking (e.g., customer satisfaction levels, education levels).
Quantitative data deals with
