Types of statistical data and the of statistical data

Data is commonly reffered as statistical data. Statistical data can be easily defined as the collected information in purpose of an efficient investigation to discover the hidden facts. For a research the required information is called data. To make a purposeful decision data allocation is important for investifator. On the basuw on collection of data, statistical data are in two types. 1. Primary statistical data 2. Secondary statisrical data This classification of statistical data is depends on the method of collection of data and the source of the data. Primary statistical data: Primary statistical data are these kinds of data, these are collected by the investigators own observation or own supervision. Secondary statistical data: Secondary statistical data is collected and managed by other third party observation and supervision. Secondary statistical data is generally found as a published form for a statistical investigation. Source of the statistical data depends of the types of data. The primary data for statistical investigation colleted frim the consumers, distributors, salesmen and other concerned people with the project. On the other hand sexondary statistical data is the source of other third party organization in a published form.