Question
Explain the meaning of ‘Statistical enquiry’.
Solution
The term enquiry means search for information or knowledge. Statistical enquiry implies search of knowledge with the help of statistical methods such as collection of data, analysis etc. Whenver a statistical enquiry is coducted, it is necessary collect numerical data. It is the first step in all statistical enquiries. The investigator who collects the data should consider the following before he proceeds to collect them :
1. Purpose of enquiry.
2. Sources of data
3. Methods of data collection
4. Nature and type of enquiry.
5. Unit of collection.