What technique for gathering data (sampling, experiment,simulation or census) do

Question

What technique for gathering data (sampling, experiment,simulation or census) do you think was used in each of thefollowing studies?

          a) Acomputer program was used to model global weather patterns and toproduce long-range weather forecasts for a rural agriculturalregion.

          b) Arandom sample of 1,000 residents of a major metropolitan area wassurveyed to determine the level of support for a new sports complexamong all residents of the area.

         c) To determine the effect of a new fertilizer on productivityof tomato plants one group of plants is treated with the newfertilizer while a second group is grown without suchtreatment. The number of ripe tomatoes produced by each groupis counted.

          d) Astudy was done regarding the number of home runs scored by majorleague baseball teams playing at altitudes over 5,000 feet. Datafor all major league baseball games played at this altitude wasused in the study.

Explanation / Answer

What techniquefor gathering data (sampling, experiment, simulation or census) doyou think was used in each of the following studies?          (a) A computer program was used tomodel global weather patterns and to produce long-range weatherforecasts for a rural agricultural region.

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