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Organisation of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsOrganisation of Data4 Marks
Question
What do you mean by 'classification of data'? State the different methods of classification of data.
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Answer

Classification of data implies conversion of raw data into statistical series.
There are different methods of classification of data like.
  1. Spatial classification: When the raw data is classified with reference to geographical locations such as countries, states, cities etc. is known as spatial classification.
  2. Chronological classification: When the raw data can be grouped according to time, it is known as “chronological classification”. In such a classification data is classified either in ascending or in descending order w.r.t. time such as years, months, days etc.
  3. Qualitative classification: When the raw data is classified on the basis of qualities or attributes of data such as honesty, beauty, intelligence etc., it is known as qualitative classification.
  4. Quantitative classification: When the raw data is classified on the basis of quantitative measurement such as age, height, weight, sales etc., it is known as quantitative classification.

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