Statistical Enquiry
Statistical enquiry means statistical examination, the person who conducts an investigation is referred to an investigator, the investigator requires the help of enumerator who gathers data and respondent who gives information for statistical examination.
What is the Collection of Data?
Data collection is the systematic way of collecting and measuring data from different sources to get a comprehensive and detailed portrayal of an area of interest. Data collection allows a person or company to answer as well as explain pertinent questions, assess results and make forecasts about future possibilities and trends.
Accurate data collection is crucial to maintaining the uprightness of research, making versed business choices and guaranteeing quality assurance.
Sources of Data
Statistical data can be collected from 2 sources. The researcher may accumulate the data by conducting an enquiry. Namely,
 Primary Data
 Secondary Data
What is Statistical Enquiry?
STATISTICAL ENQUIRY 

COLLECTION OF DATA, DIFFERENT SOURCES OF DATA  
ANSWER:  
(A) COLLECTION OF DATA 

(B) SOURCES OF DATA 

(1) INTERNAL SOURCE 

(2) EXTERNAL SOURCE 

MULTIPLE CHOICE QUESTION : 
Q.1 What are the sources of data? 
a. Internal source
b. External source c. Both (a) and (b) d. None of the above 
Q.2 __________ is the first step of investigating data. 
a. Interpretation of Data
b. Collection of Data c. Organizing of Data d. Presentation of Data 
Q.3 Annual report on Profit and loss account is a __________ source of collecting data 
a. Internal source
b. External source c. Both (a) and (b) d. None of the above 
ANSWER KEY 
1c, 2b, 3a 
The abovementioned concept is for CBSE class 11 Statistics for Economics – Meaning of Statistical Enquiry, Meaning of Collection of Data and Sources of Data. For solutions and study materials for class 11 Statistics for Economics, visit BYJUâ€™S or download the app for more information and the best learning experience.