Algebra-1

Question Analysis
This question involves a two-way frequency table with variables "age" (12-year-olds/13-year-olds) and "activity choice" (hiking/canoeing).
The main focus is on identifying the joint frequency for the specific combination of "12-year-olds" and "Hiking".

Key Concept Explanation
Joint Frequency: The count of individuals that fall at the intersection of two categories in a two-way table. It represents the number of people belonging to both categories (e.g., 12-year-olds who chose hiking).

Step-by-Step Solution
Locate the row labeled "12-year-olds" and the column lab...