A two-way frequency table shows that out of 180 students, 72...

Question Analysis
This question tests the student's ability to calculate the new joint relative frequency after an increase in the total number of students. The new joint relative frequency is the ratio of the updated number of 12th-grade students who play tennis to the new total number of students.

Key Concept Explanation
Joint Relative Frequency: It is the ratio of the number of students in a specific subcategory (e.g., 12th-grade students who play tennis) to the total number of students in the population.

Step-by-step Solution
1. Identify the original number of 12th-grade students who play tennis: 72
2. Add the new students to the original number: 72 + 20 = 92
3. Identify the new total number of students: 180 + 20 = 200
4. Calculate the new joint relative frequency:

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Algebra-1

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