disease. The botanist collected soil samples from all of the soybean fields in randomly selected states to see if there were significant differences in the sulfur levels in fields with and without the disease.  1) What is the sample? choose one -Selected U.S. botanists -Selected U.S. diseases -Selected U.S. soybean fields How was the sample selected? choose one -census -cluster sampling -convenience sampling -stratified sampling What method was

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A botanist is studying a newly identified soybean disease. The botanist collected soil samples from all of the soybean fields in randomly selected states to see if there were significant differences in the sulfur levels in fields with and without the disease. 

1) What is the sample? choose one

-Selected U.S. botanists

-Selected U.S. diseases

-Selected U.S. soybean fields

  1. How was the sample selected? choose one

-census

-cluster sampling

-convenience sampling

-stratified sampling

  1. What method was used to collect the data? choose one

-observational study

-simulation

-survey

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