Question: 1 Classify each situation as a sample survey, an observational study, or an experiment. Then identify the population, the sample, and the characteristic of interest.

1 Classify each situation as a sample survey, an observational study, or an experiment. Then identify the population, the sample, and the characteristic of interest. a Research funded by an independent think tank found that only one-third of public high school students have daily gym classes. The study examined 168 high school programs in 3 southern states. b A nationwide survey of 1500 students showed that about 60% of 18-to 21-year-old college students take at least one science lab class

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