Algebra-1

Question Analysis
This question tests the understanding of marginal frequencies in a two-way frequency table. The term "marginal frequency" refers to the total values in the rows or columns of the table, indicating the total number of observations in a single category of one variable, regardless of the other variable.

Key Concept Explanation
Marginal frequencies are located at the edges of the table (row totals or column totals) and reflect the overall characteristics of a single variable. 

Step-by-step Solution
1. Identify the definition of marginal frequency: It is the total number of observations in a sin...