The element on whose basis the sample is taken out from the total universe is called :
Sampling frame
A sampling frame is the list or basis of all the units of the universe (population) from which the sample is actually drawn - for example a voters' list, a telephone directory, school registers or a census household list.
Since every unit is selected from it, the sample can be representative only if the frame is complete, accurate and up to date; a faulty frame causes frame error and coverage bias.
The sampling fraction is merely the ratio of sample size to population size (n/N), a sampling trait is the characteristic being studied in the selected units, and the target population is the whole universe about which conclusions are drawn - none of these is the basis from which units are picked.
Hence, the answer is Sampling frame.
In a study, participants are recruited from local schools in urban area. The study is conducted on saturday so only the saturday working school take part. What type of sample is this ?
Multistage cluster sampling is helpful when :
When a research problem is related to heterogeneous population, the most suitable method is :
A researcher selects a probability sample of 100 out of the total population, it is called :
When the population is divided into subsets such that the units within the subset are as heterogeneous as possible and are as homogeneous as possible among themselves, the sampling method is called as :
The standard error of sample mean based on 100 observations from normal distribution with mean 50 and standard deviation 5 is ............ .
Sampling error can be reduced by :
A magazine printed a survey in its monthly issue and asked readers to fill it out and send it in. Over 1000 readers did so. What is this type of sample called ?
What type of Sampling technique is it when researcher ‘selects samples as and when s/he gets them’ in the process of data collection ?
Which is the sampling technique that allows every unit in the population an equal chance of being selected ?
In a study, participants are recruited from local schools in urban area. The study is conducted on saturday so only the saturday working school take part. What type of sample is this ?