Question

Distinguish between
(1) primary data and secondary data
(2) census method and sample method 1

Answer 1

Answer:

(1).Primary data is a real-time data whereas secondary data is one which relates to the past. Primary data is collected for addressing the problem at hand while secondary data is collected for purposes other than the problem at hand.Primary data is collected with an aim for getting solution to the problem at hand, secondary data is collected for other purposes.

BASIS FOR COMPARISON PRIMARY DATA SECONDARY DATA

Data                                     Real time data Past data

Cost effectiveness                  Expensive Economical

Collection time                               Long            Short

Available in                          Crude form           Refined form

Accuracy and Reliability         More                 Relatively less

(2). Census refers to the quantitative research method, in which all the members of the population are enumerated. On the other hand, the sampling is the widely used method, in statistical testing, wherein a data set is selected from the large population, which represents the entire group.

BASIS FOR COMPARISON CENSUS                  SAMPLING

Enumeration                            Complete                   Partial

Time required It is a time consuming process.  It is a fast process.

Cost                    Expensive method        Economical method

Error                     Not present.            Depends on the size of the population

Appropriate for  heterogeneous nature. homogeneous nature.

Explanation:

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