Question: General: Gathering Data Which technique for gathering data (sampling, experiment, simulation, or census) do you think was used in the following studies? (a) An analysis

General: Gathering Data Which technique for gathering data (sampling, experiment, simulation, or census) do you think was used in the following studies?

(a) An analysis of a sample of 17,000 hospitalized COVID-19 patients shows that 97% of them are unvaccinated.

(b) The effects of wind shear on airplanes during both landing and takeoff were studied by using complex computer programs that mimic actual flight.

(c) A study of all league football scores attained through touchdowns and field goals was conducted by the National Football League to determine whether field goals account for more scoring events than touchdowns (USA Today).

(d) An Australian study included 588 participants who already had some precancerous skin lesions.

Half got a skin cream containing a sunscreen with a sun protection factor of 17; half got an inactive cream. After 7 months, those using the sunscreen with the sun protection had fewer new precancerous skin lesions (New England Journal of Medicine).

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