Algebra-1

Question Analysis
This question tests the understanding of the term "sample" in the context of statistical studies. The sample is defined as a subset of representative individuals or observations selected from the population.

Key Concept Explanation
The key concept here is the definition of a sample. A sample is used to infer or estimate the characteristics of the population.

Step-by-step Solution
1. Identify the research scope: The study aims to estimate the average number of hours spent on social media by tee...