ECON 100 Lecture Notes - Lecture 4: Central Board Of Secondary Education, National Council Of Educational Research And Training, Cumulative Frequency Analysis
1. Classification of Data: The process of grouping data according to their characteristics is
known as classification of data.
2. Objectives of Classification:
a] To simplify complex data
b] To facilitate understanding
Chapter 3: Organization of Data
c] To facilitate comparison
d] To make analysis and interpretation easy.
e] To arrange and put the data according to their common characteristics.
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Document Summary
Classification of data: the process of grouping data according to their characteristics is known as classification of data: objectives of classification: a] b] To arrange and put the data according to their common characteristics. Inclusive series: can be on the basis of individual units : The data can be individually presented in two forms: i] raw data: data collected in original form. Individual series: the arrangement of raw data individually. It can be expressed in two ways. a] alphabetical arrangement : alphabetical order b] array: ascending or descending order. Can be on the basis of frequency distribution: Frequency distribution refers to a table in which observed values of a variable are classified according to their numerical magnitude: discrete series: a variable is called discrete if the variable can take only some particular values. Continuous series: a variable is called continuous if it can take any value in a given range. In constructing continuous series we come across terms like: a]
