Label each example with the correct type of sampling. systematic sampling cluster sampling oversampling quota sampling A researcher approaches every fifth shopper who walks into a grocery store. Press Space to open Researchers select five hospitals at random and survey all the nurses in each hospital. Press Space to open Researchers conducting an online survey collect 50 men and 50 women in order to have equal gender representation. Press Space to open A survey interested in comparing prisoners to non-prisoners includes prisoners as 10% of its sample, even though they only make up 2.5% of the total population