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Unformatted text preview: ANS: d 3. A study was conducted to assess whether daughters of mothers who smoked during their childhoods are themselves more likely to smoke. The study obtained a sample of female smokers and a comparison sample of nonsmokers. The proportions of women whose mothers had smoked during their childhoods were compared for the two groups. (a) Controlled experiment (b) Cohort study (c) Case-referent study (d) Sample survey (e) None of a-d ANS: c 4. In order to assess levels of industrial production, the Commerce Department obtains production gures from a repre-sentative group of industrial rms. (a) Controlled experiment (b) Cohort study (c) Case-referent study (d) Sample survey (e) None of a-d ANS: d...
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This homework help was uploaded on 04/09/2008 for the course MA 2611 taught by Professor Petrucelli during the Spring '08 term at WPI.
- Spring '08