Questions and Answers
What is a frame?
A frame lists all the individuals in a population.
Define simple random sampling.
The process of obtaining a simple random sample where every possible sample of size n has an equally likely chance of occurring.
What does it mean when sampling is done without replacement?
Once an individual is selected, it is removed from the possible choices for future samples and cannot be chosen again.
Study Notes
Simple Random Sampling Concepts
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Frame Definition: A frame is a comprehensive list of individuals in a population, such as registered voters in a precinct or all students in a school. This list is essential for ensuring that every member of the population has an opportunity to be included in the sample.
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Simple Random Sampling: This sampling method ensures that every possible sample of a specific size has an equal chance of selection from the population. The sample must accurately represent the larger group to avoid bias.
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Sampling Without Replacement: In this method, once an individual is selected for the sample, they are removed from the pool of potential choices. This means they cannot be selected again, which maintains the integrity of the sample size and population representation.
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Description
These flashcards cover key concepts in Statistics, focusing on Simple Random Sampling. Learn about the definition of a frame and its importance in studying populations. Ideal for students looking to deepen their understanding of sampling methods.
