In a Study of Crop Rotation Techniques,agricultural Researchers Are Interested

Multiple Choice

In a study of crop rotation techniques,agricultural researchers are interested in making general statements concerning the effectiveness of a given technique for all corn fields in the state of Kansas.Using a cluster technique,they randomly choose 30 farms from across the state for their study.Some of the chosen farms are randomly selected to use the rotation technique whereas others are not.In this study,the population is best described as:

A) 30 farms chosen from across the state.
B) all corn fields in the state of Kansas.
C) the effectiveness of crop rotation.
D) whether the rotation technique was used or not.