Super Soap Inc is planning a new line of cleaning products targeted at budget-minded consumers. They want to conduct a survey to find out whether it will be popular with buyers. They decide to choose five states across the country at random. The cleaning products are marketed on a trial basis to middle- and low-income groups in these states. Which type of sampling method are the researchers using?
random sampling
cluster sampling
convenience sampling
quota sampling
1 answer
helpplz