CPT Section D Quantitative Aptitude Chapter 10 Dr. RB Tiwari

95 Pages·2013·5.65 MB·English

CPT Section D Quantitative Aptitude
Chapter 10
Dr. R. B. Tiwari
In this topic we shall study about the
types of data and its various ways of
representation
To have a broad overview
of the subject and its
application
Learning Objectives
To have an idea about the
primary and secondary data
Learning Objectives
To have an idea about the textual,
tabular format including the techniques
of creating frequency distribution and
determination of cumulative
frequencies.
Learning Objectives
To have an idea about the diagrammatic
representation of the data, which
includes Histogram, Frequency
Polygone and Pie-Chart etc.
Statistics may be defined as a scientific method
for collecting, analyzing and presenting data,
leading finally to draw statistical inferences
about some important characteristics.
In the present scenario Statistics has a wide
application in the fields of Economics,
Business Management, Commerce etc.
Statistical data can be defined as quantitative
information about some particular characteristic
under study. It can be classified as
Primary Data
Secondary Data
The data which are collected for the first
time by an investigator or agency, are
known as primary data