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Gathering data using several techniques like sampling, experiment, simulation or census.

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

1. A computer program was utilized to model global weather patterns and to produce long-range weather forecasts for a rural agricultural region.

2. A random sample of 1,000 residents of a main metropolitan area was surveyed to determine the level of support for a new sports complex among all residents of the area.

3. To determine the effect of a new fertilizer on productivity of tomato plants one group of plants is treated with the new fertilizer while a second group is grown without such treatment. The number of ready tomatoes produced by each group is counted.

4. A study was complete regarding the number of home runs scored by major league baseball teams playing at altitudes over 5,000 feet. Data for all main league baseball games played at his altitude was used in the study.

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