Lesson 7, Topic 1
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Statistics – Introduction

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Topic Content:

  • Meaning of Statistics
  • Types of Data
  • Graphical Presentation of Data

What is Statistics?

Statistics is the science of analyzing and interpreting information. Such information is referred to as data.

Types of Data:

There are two major categories of data: primary and secondary data.

Primary Data: This is new data obtained from experiments, surveys, questionnaires, and investigations carried out by an individual or organization to be used for a certain purpose.

Secondary Data: This is existing data that is made available for use such as Annual Abstract of Statistics, Research Agencies, Publications, the Internet, etc.


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