Sophia needs to conduct a survey for the Alumni Association. She takes the list of all the alumni and calls every 10^th name on the list. Sophia is best illustrating A) stratified random sampling. B) cluster sampling. C) systematic sampling. D) simple random sampling.

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Sophia is using systematic sampling, where she is selecting every 10th name from the list of alumni. Stratified random sampling involves dividing the population into subgroups and randomly selecting individuals from each subgroup. Cluster sampling involves dividing the population into clusters and randomly selecting entire clusters to survey. Simple random sampling involves selecting individuals at random from the population without any predetermined pattern or rule.

Sophia Needs to Conduct a Survey for the Alumni Association