Within the plural sense, Statistics refers to info or quantitative info that can be utilized to attract vital conclusions. Therefore, for a pupil of Economics, the principle objective to gather information is to acknowledge, consider, and describe a social situation. For instance, the issue of poverty or the issue of unemployment. For this, the investigator can analyze the information to seek out the causes and potential options to the issue. Thus, information assortment performs an essential function within the evaluation of knowledge, so it should be fastidiously collected.
The information might be collected from two sources: major sources and secondary sources. The first supply of knowledge consists of information assortment from its origin. It gives first-hand quantitative info which is related to the examine. The secondary supply of knowledge entails getting acceptable statistical info from an company or establishment that already has that info. It doesn’t present first-hand info, which is related to the examine. Accordingly, completely different factors should be saved in thoughts whereas utilizing secondary information.
Connor has rightly stated that ” Statistics particularly different individuals’s Statistics is filled with pitfalls for the others.”
Precautions earlier than utilizing Secondary Knowledge
The next factors needs to be saved in thoughts earlier than utilizing Secondary Knowledge:
- Is the information dependable?
- Is the information appropriate for investigations?
- Is the information ample?
To judge the reliability, applicability, and sufficiency of the information, the next factors are to be saved in thoughts:
1. Capability of the Accumulating Group:
It’s essential to research the credibility of the entity that collected the information within the first place. The knowledge ought to solely be utilized if it was gathered by competent, certified, and unbiased investigators.
2. Goal and Scope:
Whereas gathering the information, the aim of knowledge assortment and the extent of the investigation needs to be specified. Knowledge ought to solely be utilized if the current examine’s goal and scope match the sooner examine’s goal and scope. Furthermore, the suitability of knowledge might be determined for the current examine by investigating the character, homogeneity, unit, phrases, and many others., of the secondary information.
3. Assortment Methodology:
It is very important word how the unique researcher collected the information. The approach used should be acceptable for the kind of examine. The sampling course of could also be biased relying on the mechanism of pattern choice. Earlier than utilizing secondary information, all issues needs to be decided.
The information needs to be verified for accuracy whereas utilizing secondary information. It’s essential to make use of honest information to keep away from biases and prejudices, which might result in false conclusions. The information needs to be rejected in the event that they don’t meet the required stage of accuracy.
5. Time and Situation of Assortment:
It is usually crucial to think about the length of the investigation in addition to the situations of the investigation whereas utilizing secondary information.
6. Definition of Unit:
The unit of measurement employed whereas gathering information for the primary time should be the identical as adopted within the current examine. In case of a distinction between models of measurement of preliminary information and the current examine, information should be modified earlier than additional use.
Briefly as stated by Bowley, “It’s by no means secure to take printed Statistics at their face worth with out figuring out their limitations and which means.”