Question

Which of the following methods gives better results and why ?
a) census b) sample

Answer 1

Answer:

census gives accurate results.

Explanation:

during sampling there is always a possibility of error and result is just an approximate. but in a census the whole population is tested and the results are accurate.

Answer 2

Answer:

Sample Method gives better results than the Census Method as:

Explanation:

→ Less time consuming: It requires a lot of time to conduct census as every record have to obtain while sample can be done in lesser time.

→ Economically feasible: The cost of approaching each individual unit for interrogation and collection of data is comparatively lower due to small size of sample.

→ Accuracy- Although census method provides more accurate and reliable results as compared to the sample method but in the sample method the errors can be easily located and rectified in the sampling methods due to the smaller number of items.

→ Lesser Non-sampling Errors- The probability of Non-sampling Errors is also low as the sample size is smaller as compared to that of the Census Method.