Does the lottery method always give you a random sample? Explain

by lottery method units are selected in
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In this method, the investigator prepares a questionnaire and sends it by mail to the respondents The respondents are requested to complete the questionnaires

Patient is the sampling unit; Use Lottery method a table of random numbers to select units from the sampling frame; Measure hemoglobin in all patients

by lottery method units are selected Patient is the sampling unit; Use Lottery method a table of random numbers to select units from the sampling frame; Measure hemoglobin in all patients

bygholm slot These are Lottery method, Tippet's number method and Computer based generation of random numbers Probabilistic, because the first unit is selected at random