Algebra-1

Question Analysis
This question evaluates the understanding of marginal relative frequency and its calculation. The marginal relative frequency is the ratio of the number of 10th-grade students to the total number of students.

Key Concept Explanation
Marginal relative frequency is the proportion of a single variable category (in this case, 10th-grade students) to the total number of the entire population (all students surveyed). It is usually expressed as a fraction, decimal, or percentage.

Step-by-step Solution
1. Identify the number of 10th-grade students: 40
2. Identify the total number of students: 100
3. Calculate the marginal relative frequency:
4. Convert the decimal to a percentage:

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