Algebra-1

A good sample for the researcher wanting to know how many hours students study per week would be: 50 randomly chosen students from the school. It provides a more accurate and comprehensive understanding of study habits across the student population.

Option B: Only students from the math club

This sample is biased as it only includes students with an interest in math, which may not reflect the study habits of the entire student body.

Option C: All students who study f...