Census implies complete count of the study objects, whereas Sampling connotes count of the subgroup of elements chosen for engagement. These two survey methods are frequently contrasted with each other, and so this article makes an attempt to clear the differences between census and sample distribution, in detail ; Have a expect .
Content: Census Vs Sampling
Basis for ComparisonCensusSampling
MeaningA systematic method that collects and records the data about the members of the population is called Census.Sampling refers to a portion of the population selected to represent the entire group, in all its characteristics.
Study ofEach and every unit of the population.Only a handful of units of the population.
Time requiredIt is a time consuming process.It is a fast process.
CostExpensive methodEconomical method
ResultsReliable and accurateLess reliable and accurate, due to the margin of error in the data collected.
ErrorNot present.Depends on the size of the population
Appropriate forPopulation of heterogeneous nature.Population of homogeneous nature.
Definition of Census
A well-organised procedure of assembly, recording and analysing information regarding the members of the population is called a census. It is an official and accomplished count of the population, wherein each and every unit of the universe is included in the solicitation of data. here population implies any area ( city or country ), a group of people, through which the data can be acquired .
Under this technique, the enumeration is conducted about the population by considering the entire population. Hence this method requires huge finance, time and labor for gathering information. This method acting is useful, to find out the ratio of male to female, the ratio of literate to illiterate people, the ratio of people living in urban areas to the people in rural areas.
Definition of Sampling
We define sampling as the march in which the fraction of the population, then selected to represent the characteristics of the larger group. This method is used for statistical testing, where it is not possible to consider all members or observations, as the population size is very large .
As statistical inferences are based on the sampling observations, the choice of the appropriate representative sample is of extreme importance. so, the sample selected should indicate the entire universe and not exhibit a particular section. On the footing of the data collected from the congressman samples, the stopping point is drawn from the whole population. For instance : A ship’s company places an holy order for bare-assed corporeal by merely checking out the sample distribution .
The units which constitute sample is considered as ‘ Sampling Units ’. The full-fledged list containing all sampling units is called ‘ Sampling Frame ’.
Key Differences Between Census and Sampling
The overriding differences between census and sample distribution are discussed in detail in the given below points :
- The census is a systematic method that collects and records the data about the members of the population. The sampling is defined as the subset of the population selected to represent the entire group, in all its characteristics.
- The census is alternately known as a complete enumeration survey method. In contrast, sampling is also known as a partial enumeration survey method.
- In the census, each and every unit of population is researched. On the contrary, only a handful of items is selected from the population for research.
- Census, is a very time-consuming method of survey, whereas, in the case of sampling, the survey does not take much time.
- The census method requires high capital investment as it involves the research and collection of all the values of the population. Unlike sampling which is a comparatively economical method.
- The results drawn by conducting a census is accurate and reliable while there are chances of errors in the results drawn from the sample.
- The size of the sample determines the probability of errors in the outcome, i.e. the larger the size of population the less are the chances of errors and the smaller the size; the higher are the chances of errors. This is not possible with census as all the items are taken into consideration.
- Census is best suited for the population of heterogeneous nature. As opposed to sampling which is appropriate for homogeneous nature.
many people interpret census as the opposite of sampling, in which all the members of the population are taken into history alternatively of only a fraction. But the census is based on the sample distribution frame to enumerate population. consequently, it is quite clean that these two quantitative research methodologies are different, but it can ’ deoxythymidine monophosphate be said that one is above the other .