Sampling methods
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What is sampling in the context of statistical research?
Sampling is the process of selecting a subset (sample) from a larger population to draw inferences about the whole population without examining every element.
What is the primary purpose of sampling in banking research?
To draw conclusions about a population using fewer observations
What is the difference between a population and a sample?
A population is the entire group of individuals or items of interest, while a sample is a smaller, representative subset selected from that population for study.
What is a sampling unit in a statistical study?
The individual element selected for measurement in a sample
What is a sampling frame?
A sampling frame is a complete list or database of all units in the target population from which a sample is drawn, such as a list of all bank branches or account holders.
What is the law of statistical regularity in sampling?
A large sample drawn at random will be representative of the population
What is simple random sampling?
Simple random sampling is a method where every member of the population has an equal and independent chance of being selected, often using random number tables or computer-generated numbers.
What is the law of inertia of large numbers in sampling?
Larger samples give more stable and reliable estimates
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