Samples and Bias

Front

What is the source of bias in which people choose to respond, usually only those with very strong opinions?

Back

Voluntary Response

Front

What sampling method involves assigning each item a number and using a random-number table to select items?

Back

Random Sample

Front

What sampling method involves randomly selecting individuals from a list of names, such as picking names from a container?

Back

Simple Random Sampling

Front

What is the source of bias where some groups of the population are left out of the selection process?

Back

Undercoverage

Front

What sampling method involves selecting every nth individual from a list, such as picking every 5th student?

Back

Systematic Sampling

Front

What is the term for a sample that accurately reflects the characteristics of the population?

Back

Representative Sample

Front

What type of bias occurs when respondents have a strong opinion and are more likely to participate in a survey?

Back

Self-Selection Bias

Front

What is the difference between a sample and a population in statistics?

Back

A sample is a subset of a population used to represent the whole population.

Front

What is the term for a sampling method that involves dividing the population into subgroups and randomly sampling from each subgroup?

Back

Stratified Sampling

Front

What is the potential issue with convenience sampling?

Back

It may not accurately represent the population, leading to bias.