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Unformatted text preview: h. Not a variable 3. a. Observational units: American national adults, aged 18 and older. b. Variable(s) measured: The ideal number of children for a family to have c. Statistic: National Americans, age 18 and over, believe that 2.5 children are ideal. 4. a. Observational units: U.S. adults b. Variable(s) measured: The number of people who believe marriage is becoming obsolete. c. Statistic: 38.8% of U.S. adults believe marriage is becoming obsolete....
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- Winter '10