Random Sampling, Advantage - less chance of bias as respondents are chosen at random., Advantage - simple and quick to select sample., Disadvantage - the sample may not reflect the target market., Disadvantage - It can be expensive as a large sample is required., Quota Sampling, Advantage - cheaper as less respondents are required., Advantage - can select customers that reflect the target market., Disadvantage - harder to eliminate bias in the selection process.

Random Sampling vs Quota Sampling

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