Algebra-1

Question Analysis
This question assesses the ability to distinguish between discrete and continuous variables. The number of customers visiting a store each day is a countable quantity and can only be specific, isolated points.

Key Concept Explanation
Discrete variables have distinct, non-continuous values. Their values can only be specific, isolated points, and it is impossible to take infinitely many values between two adjacent values. Examples include the number of students, the number of items, etc.

Step-by-step Solution
1. Identify the type of data: The number of customers visiting a store each day is a countable quantity.