In Many Areas of the U

In many areas of the U.S., honey bee populations have been devastated in recent years, and the cause is not yet well-understood. The general opinion amongst the beekeepers in a particular region is that the problem is intensifying, and a researcher sets out to settle this question by surveying the health of a large number of randomly-selected hives. Which of the following best describes this study?

A) hypothesis test with sample data
B) estimation study with sample data
C) hypothesis test with experimental data
D) estimation study with experimental data
E) All of these are good descriptions.