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The easiest method to describe is called a simple random sample . Any group of n individuals is equally likely to be chosen as any other group of n individuals if the simple random sampling technique is used . In other words , each sample of the same size has an equal chance of being selected . For example , suppose Lisa wants to form a four-person study group -LRB- herself and three other people -RRB- from her pre-calculus class , which has 31 members not including Lisa . To choose a simple random sample of size three from the other members of her class , Lisa could put all 31 names in a hat , shake the hat , close her eyes , and pick out three names .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.