Algebra-1

Question Analysis
This question involves understanding the difference between population and sample in statistical studies.
The main focus is on recognizing a subset of the target group used to make inferences about the whole.

Key Concept Explanation
A sample is a portion of the population selected to represent the entire group, especially when studying the full population is impractical.
The population here is "all 7th graders in California," as they are the target group.

Step-by-step Solution
The target group (population) is "all 7th graders...