Zane is a data analyst for the dion and bidgood mortgage com - CompTIA Data + DA0-001

Question

Zane is a data analyst for the Dion and Bidgood Mortgage Company which operates in both Maryland and Delaware. Zane’s supervisor has requested that he compare the differences in revenue between the two states. In this case, the total number of locations would be considered a what?

Answers
  1. correct
Explanation

Correct Answer: C. Independent Variable

An independent variable is a variable that is manipulated or categorized to observe its effect on another variable.

In this case:
✔ Total number of locations in each state (Maryland and Delaware) is the independent variable.
✔ Revenue is the dependent variable, as it depends on the number of locations.
✔ The goal is to see how differences in the number of locations affect differences in revenue.

Since the number of locations influences revenue, it is classified as an independent variable.

Why the Other Options Are Incorrect:

T-test

  • A T-test is a statistical test used to compare the means of two groups.
  • Why it's wrong: The number of locations is not a statistical test, it is a variable.

Dependent Variable

  • A dependent variable is the outcome being measured (in this case, revenue).
  • Why it's wrong: Revenue depends on the number of locations, so the number of locations is the independent variable, not dependent.

Population

  • A population refers to the entire group being studied (e.g., all mortgage transactions in both states).
  • Why it's wrong: The total number of locations is a measured variable, not a full population set.

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