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Sampling data should be done very carefully . Collecting data carelessly can have devastating results . Surveys mailed to households and then returned may be very biased -LRB- they may favor a certain group -RRB- . It is better for the person conducting the survey to select the sample respondents . True random sampling is done with replacement .
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.