Question

A sample that reflects the population accurately is called a

		Sampling Frame
		Population
		Representative Sample
		Sample Bias

If generalization to population is needed, which sampling method should be used?

		Random Sampling
		Quota Sampling
		Convenience Sampling
		Purposive Sampling

involves assigning numbers to answers so that they can be grouped into categories

		Sampling
		Recording
		Coding
		Editing

Answer 1

1.

A sample that reflects the population accurately is called a representative sample. The advantage of selecting a representative sample is that statistical results found for this sample can be extended to the entire population.

Ans. Representative sample

2.

a) In random sampling, values to be included in the sample are chosen in a completely random manner, without paying attention to the characteristics of the population. So, results from such a sample cannot be generalized to the entire population. Hence, this option is incorrect.

b) For quota sampling, first of all, the population is studied thoroughly and the entire population is divided into sub-groups and the proportion in which the subgroups exist in the population is replicated for quota sampling. Since, this sampling is done, keeping in mind the information of the population, results from this sample can be generalized to the population. Hence, this option is correct.

c) Convenience sample is created by considering that part of population, whose data can be easily compiled by the researcher. Such type of sample will obviously create biased results and hence, cannot be generalized to the population. So, this option is incorrect.

d) Purposive sampling is a subjective sampling method, wherein the sample is selected solely on the basis of judgement of the researcher.Such type of sample will create biased results and hence, cannot be generalized to the population. So, this option is incorrect.

Ans. Quota sampling

3.

Coding involves assigning numbers to answers so that they can be grouped into categories. For example, to group people into two categories- Female and Male, we can assign a value 1 to those who are female and 0 to those who are Male.

Ans. Coding