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When using simple random sampling, what is the main method of selecting a sample?
When using simple random sampling, what is the main method of selecting a sample?
- Choosing randomly without any specific pattern (correct)
- Selecting based on a specific order
- Dividing the population into strata
- Selecting based on an identifiable characteristic
In stratified random sampling, how are samples selected within each stratum?
In stratified random sampling, how are samples selected within each stratum?
- Selecting randomly within each stratum (correct)
- Using a predetermined list
- Based on alphabetical order
- Choosing based on demographics
What is the purpose of dividing a sampling frame into strata in stratified random sampling?
What is the purpose of dividing a sampling frame into strata in stratified random sampling?
- To create a predetermined list of samples
- To ensure all samples are selected alphabetically
- To account for different characteristics in the population (correct)
- To simplify the selection process
According to the guideline provided, when determining sample size, what factor should be considered?
According to the guideline provided, when determining sample size, what factor should be considered?
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What is the main purpose of exit polls conducted by media during election years?
What is the main purpose of exit polls conducted by media during election years?
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In the context of polling places, what does an exit poll primarily focus on?
In the context of polling places, what does an exit poll primarily focus on?
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How do stratified random samples differ from simple random samples?
How do stratified random samples differ from simple random samples?
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What characteristic is used to create strata in stratified random sampling?
What characteristic is used to create strata in stratified random sampling?
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