Algebra-1

Question Analysis
This question tests the ability to identify the sample in a given context.

Key Concept Explanation
A sample is a subset of the population and is used to infer or estimate the characteristics of the population. In this case, the sample is the 50 randomly selected students.

Step-by-step Solution
1. Identify the research scope: "estimate the average number of books read by students in a large high school."...