1. Senturia et al. (1994) describe a survey taken to study how many children have access to guns in their households. Questionnaires were distributed to all parents who attended selected clinics in the Chicago area during a one-week period for well or sick child visits. Suppose that the quantity of interest is percentage of the households with guns. Describe why this is a cluster sample. What is the psu? What is the ssu?

2. A language school owner takes an SRS of 7 of the 70 Introductory Spanish

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In cluster sampling we do not deal with individual units in this case households Rather we identify ... View the full answer